The balance of power in four couples’ relationships is upset when the women start using the advice in Steve Harvey’s book, Act Like A Lady, Think Like A Man, to get more of what they want from their men. When the men realize that the women have gotten a hold of their relationship “playbook,” they decide that the best defense is a good offense and come up with a plan to use this information to their advantage.

On her deathbed, a mother makes her son promise never to get married, which scars him with psychological blocks to a commitment with his girlfriend. They finally decide to tie the knot in Vegas, but a wealthy gambler arranges for the man to lose $65K in a poker game and offers to clear the debt for a weekend with his fiancée.

A planned evening of debauchery in Las Vegas to celebrate their best friend's wedding goes horribly -- but hilariously -- wrong for five average guys.

Charley Pearl, wealthy heir and gadabout, is slated to marry Adele, the daughter of a Hollywood tycoon. But, during a wild bachelor party in Las Vegas, Charley strikes up a flirtation with nightclub crooner Vicki Anderson that soon leads to her bedroom. When the couple are discovered by Vicki's beau, infamous gangster Bugsy Siegel, he makes a surprising pronouncement -- they'd better marry, or Charley is a dead man.

When a straight-laced couple that has fun with a rowdy couple on vacation in Mexico return to the States, they discover that the crazy couple they met in Mexico followed them back home and decide to play tricks on them.

Lorenzo known as Ghandi and Elena met at 18 during a vacation through Nevada and ended up doing the classic madness: they got married in Las Vegas. A few hours later everyone was going their own way, putting the incident behind them (or at least that's what Elena thinks). Twenty years later Elena is about to marry a very rich and brilliant man, but her best friend Sara, a lawyer, informs her that, being technically still married to Lorenzo, she must first dissolve that bond or she will be accused of bigamy. Elena and Lorenzo must therefore return to Las Vegas and obtain a divorce decree in a few days. If they really want to.

Four couples reunite for their annual vacation in order to socialize and to spend time analyzing their marriages. Their intimate week in the Bahamas is disrupted by the arrival of an ex-husband determined to win back his recently remarried wife.

Mercenaries seize control of a remote resort hotel during a wedding and it's up to the best man, the groom and their drunken best friend to stop the terrorists and save the hostages.

Paul Morse is a good guy. When his friends throw him a wild bachelor party, he just wants to keep his conscience clean -- which is why he's shocked when he wakes up in bed with a beautiful girl named Becky and can't remember the night before. Desperate to keep his fiancée, Karen, from finding out what may or may not be the truth, he tells her a teensy lie. Soon his lies are spiraling out of control and his life is a series of comical misunderstandings.

When three friends finally come to after a raucous night of bachelor-party revelry, they find a baby in the closet and a tiger in the bathroom. But they can't seem to locate their best friend, Doug – who's supposed to be tying the knot. Launching a frantic search for Doug, the trio perseveres through a nasty hangover to try to make it to the church on time.

The Hangover crew heads to Thailand for Stu's wedding. After the disaster of a bachelor party in Las Vegas last year, Stu is playing it safe with a mellow pre-wedding brunch. However, nothing goes as planned and Bangkok is the perfect setting for another adventure with the rowdy group.

After writing a soon-to-be bestselling novel, writer and committed bachelor Harper attempts to hide the fact that his saucy new book is loosely based on the lives and loves of his tight-knit group of friends. Harper is set to be best man at his friend Lance's wedding, and all his friends will be in attendance. When an advance copy of the book makes its way into the hands of his ex-flame, Jordan, Harper attempts to keep it under wraps.

Doug Harris is a loveable but socially awkward groom-to-be with a problem: he has no best man. With less than two weeks to go until he marries the girl of his dreams, Doug is referred to Jimmy Callahan, owner and CEO of Best Man, Inc., a company that provides flattering best men for socially challenged guys in need. What ensues is a hilarious wedding charade as they try to pull off the big con, and an unexpected budding bromance between Doug and his fake best man Jimmy.

When writer's block derails the literary dreams of Olly Pickering, he has to move in with his friend Murray after losing all his money. Things start to look up when Olly's college pal James asks him to be the best man at his wedding. Prior to the nuptials, Olly is drawn to a woman whom he thinks is the bride's sister -- only she turns out to be the bride, Sarah. Can Murray, who dislikes James, help get Sarah and Olly together?

Bernie and Joan are two fiery flirters who are passionate about everything from hookups to breakups and each other. When he sets up his best friend, Danny, with her roommate, Debbie, the sparks soon fly as they try to navigate the relationship minefields from the bar to the bedroom and are eventually put to the test in the real world.

Abby and Travis wake after a crazy night in Vegas as accidental newlyweds! With the mob on their heels, they flee to Mexico for a wild, weird honeymoon—but are they in for another disaster?

In this romantic comedy, several friends, each dealing with unhappy love lives, turn to each other for help - but not always with the best results.

A groom and his three best men travel to the Australian outback for a wedding.

Frank and Lindsay—two emotionally-broken strangers—meet on the way to a destination wedding. Over the course of the weekend and against all odds, they find themselves drawn together even though they are initially repulsed by one another.

When lawyer Charlie is sent to a small Nevada town to file a continuance request for a client, his actor friend Richard turns up to throw a surprise bachelor party celebrating his upcoming marriage to the boss's daughter. When Charlie is too hung-over to make it to court for the hearing, Richard fills in, inadvertently committing felony fraud, and Charlie is left with no choice but to coach the clueless Richard through the whole trial.

Intertwining couples and singles in Los Angeles break-up and make-up based on the pressures and expectations of Valentine's Day.

When she receives word that her longtime platonic pal Michael O'Neal is getting married to debutante Kimberly Wallace, food critic Julianne Potter realizes her true feelings for Michael -- and sets out to sabotage the wedding.

When a professional couple, who have lived and worked together for many years, finally decide to marry, their sudden betrothal causes many unexpected difficulties. They soon find that being married is often quite different from being "best friends."

Four couples, all friends, descend on a tropical island resort. Though one husband and wife are there to work on their marriage, the others just want to enjoy some fun in the sun. They soon find, however, that paradise comes at a price: Participation in couples therapy sessions is mandatory. What started out as a cut-rate vacation turns into an examination of the common problems many face.

After 6 years together, Mike's girlfriend leaves him, so he travels to LA to be a star. Six months on, he's still not doing very well— so a few of his friends try to reconnect him to the social scene and hopefully help him forget his failed relationship.

After losing the woman of his dreams, Anderson is convinced he'll never fall in love again. But at the urging of his best friend, he spontaneously proposes to a dissatisfied waitress named Katie and an innocent dare evolves into the kind of love that both have been looking for all along.

A New York writer on sex and love is finally getting married to her Mr. Big. But her three best girlfriends must console her after one of them inadvertently leads Mr. Big to jilt her.

After his engagement ends badly, Josh decides to take advantage of his bachelor-party plans in Ojai, California, with the few friends still willing to join him. Focused on drugs and their own hangups, his self-absorbed friends refuse to confront the elephant in the room and ask Josh how he’s feeling. As welcome and unwelcome guests stop by, Josh will attempt to find some closure over this weekend with the guys.

Aging pals Billy, Paddy, Archie, and Sam have been best friends since childhood. When Billy finally proposes to his much-younger girlfriend, all four friends go to Las Vegas to celebrate the end of Billy's longtime bachelorhood and relive their glory days. However, the four quickly realize that the intervening decades have changed Sin City and tested their friendship in ways they had not imagined.

During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.

An egotistical television personality enlists the assistance of his best friend in putting the fidelity of his fiancé to the test in this amiable comedy of the sexes. Told in flashback, the film takes a familiar love-triangle scenario and gives it a bitter twist. With a bride who seems too good for either suitor, the film is sustained by one question - who will she choose?

Hoping to propose to his upper-crust girlfriend, Wade Walker crashes her family's annual reunion and lands in a face-off with her dad.

On the eve of his wedding to his longtime girlfriend, unassuming nice guy Rick is dragged out for a night of debauchery by his friends.

Have you ever sat by the phone wondering why he said he would call, but didn't, or you can't figure out why she doesn't want to sleep with you anymore, or why your relationship just isn't going to the next level... they're just not that into you. Gigi just wants a man who says he'll call—and does—while Alex advises her to stop waiting by the phone. Beth wants a proposal after years of a committed relationship with her boyfriend, Neil, who sees nothing wrong with the status quo. Janine's not sure if she can trust her husband, Ben, who can't quite trust himself around Anna. Anna can't decide between the sexy married guy, or her straightforward, no-sparks standby, Conor, who can't get over the fact that he can't have her. And Mary, who's found an entire network of loving, supportive men, just needs to find one who's straight.

Three friends are asked to be bridesmaids at a wedding of a woman they used to ridicule back in high school.

Claire is about to get married and she goes to Las Vegas with her sister and two friends for her bachelorette party. Things quickly spiral out of control.

Kyle Fisher has one last night to celebrate life as a single man before marrying Laura, so he sets out to Vegas with four of his best buddies. But a drug and alcohol filled night on the town with a stripper who goes all the way, turns into a cold night in the desert with shovels when the stripper goes all the way into a body bag after dying in their bathroom. And that's just the first of the bodies to pile up before Kyle can walk down the aisle...

In this conclusion of the long running series it finally happens: Kelly and Zack will marry. Zack's parents are against the early commitment and Kelly's parents can't afford it, so only the gang travels to Las Vegas for the wedding. However, before the wedding can happen, they have to live through many adventures, including Zack losing his hard earned money, Kelly becoming jealous and Slater being chased by mobsters.

Bored with her life and inspired by a friend's wedding, Esra quits her job and dumps her boyfriend, leading to a series of romantic misadventures.

Potential Northwestern fellow Tess Harper lasers through her best friend's wedding planning like the star doctor she hopes to soon become. In fact, Tess puzzles through any problem - provided it's not her own. When she meets divorce lawyer and groom's best friend, Michael, Tess maneuvers around him like a gurney in the emergency room until she discovers this best man has a few moves of his own.

John and his buddy, Jeremy are emotional criminals who know how to use a woman's hopes and dreams for their own carnal gain. Their modus operandi: crashing weddings. Normally, they meet guests who want to toast the romantic day with a random hook-up. But when John meets Claire, he discovers what true love – and heartache – feels like.

Still reeling from his breakup with college sweetheart Allison, Adam's world is thrown into further chaos when he’s surprisingly invited to attend her upcoming wedding. Returning home for the festivities, Adam must confront unresolved feelings while trying to convince himself and everyone else that he is truly happy for her.

Richard Cooper is a married man and father of two who is just plain bored with married life. Not getting any sex from his wife, he resorts to ogling random women on the street to the point that he takes lunch late to look at them. When old crush Nikki Tru visits his office to get a reference letter, she becomes obsessed with Cooper and they begin a complicated relationship.

When a member of their fantasy football league vanishes on his wedding day, a motley group of friends recount the lead-up to his chaotic bachelor party.

A common friend's sudden death brings three men, married with children, to reconsider their lives and ultimately leave the country together. But mindless enthusiasm for regained freedom will be short-lived.

The vicissitudes of three couples of newlyweds from the celebration of weddings to their respective honeymoons.

While trying to make his sister's wedding day go smoothly, Jack finds himself juggling an angry ex-girlfriend, an uninvited guest with a secret, a misplaced sleep sedative, and the girl that got away in alternate versions of the same day.

Celal, who dreams of achieving happiness as a ladies' man and charmer, soon gets into difficulties and suffers misfortune. Back when Celal was in a relationship, he was jealous of the life of a bachelor.

When Florence, his companion of five years, shocks him with the news that she's leaving him, moving to Miami and marrying another man, Arthur loses it. He follows Florence to all the way to Florida with plans to stop the wedding, which is set to take place in just a few days. Along the way, he crosses paths with Emilie, who is also heading to Miami, but unlike Arthur, is wanted by the police. As a result, Arthur gets stuck on an adventure he definitely never expected.

Cal Weaver is living the American dream. He has a good job, a beautiful house, great children and a beautiful wife, named Emily. Cal's seemingly perfect life unravels, however, when he learns that Emily has been unfaithful and wants a divorce. Over 40 and suddenly single, Cal is adrift in the fickle world of dating. Enter, Jacob Palmer, a self-styled player who takes Cal under his wing and teaches him how to be a hit with the ladies.

Exactly one year after Tom meets Violet, he surprises her with a wedding ring. By all accounts, Tom and Violet are destined for their happily ever after. However, this engaged couple just keep getting tripped up on the long walk down the aisle.

Yearning for an evening without their kids, some friends plan a night out. But to do this, their husbands need to watch the kids. What can go wrong?

Five best friends from college reunite 10 years later for a wild bachelorette weekend in Miami. Their hard partying takes a hilariously dark turn when they accidentally kill a male stripper. Amidst the craziness of trying to cover it up, they're ultimately brought closer together when it matters most.

When two weddings are accidentally booked on the same day at the same venue, each bridal party is challenged with preserving their family's special moment while making the most of the unanticipated tight quarters. In a hilarious battle of determination and grit, the father of the bride and sister of the other bride chaotically go head-to-head as they stop at nothing to uphold an unforgettable celebration for their loved ones.

McKenzie is a few months away from getting married when her three best friends from college surprise her with a bachelorette party.

Getting ready for the wedding that will unite two very different families- the humble Italian taxi driver Cristoforo Colombo and his wife Rosy, and the rich Italian-Americans Alessandro and Patricia Di Giacomo.

When college friends reunite after 15 years over the Christmas holidays, they discover just how easy it is for long-forgotten rivalries and romances to be reignited.

Brie Traverston is up for partner at her firm if she can successfully coordinate a Christmas wedding reshoot and ignore all the feelings that come with working with the one-that-got-away Eddie Chapman and his possibly new girlfriend Isabella.

Joe reluctantly has his bachelor party even though his fiancé just dumped him for some Dude.

A man's plans for a romantic weekend go awry when he learns that his ex-girlfriend, whom he still secretly loves, manages the ski lodge where he and his wife are staying.

After finding out about her fiancé's cheating ways, a pop superstar impulsively marries a total stranger. They must soon decide if two people from such different worlds can find true love.

Phil and Claire Foster fear that their mild-mannered relationship may be falling into a stale rut. During their weekly date night, their dinner reservation leads to their being mistaken for a couple of thieves—and now a number of unsavoury characters want Phil and Claire killed.

Sex is a background to examine intimacy and vulnerability. Looks at the complexity of modern day relationships told through eight separate couples. Through dialogue and compromising situations, the film takes us from the beginning of a relationship to the aftermath of one, and examines every stage in between seeing humor within the drama, heartache and confusion of it all.

While visiting his hometown during Christmas, a man comes face-to-face with his old high school crush whom he was best friends with – a woman whose rejection of him turned him into a ferocious womanizer.

Overachieving actress Rebecca must come to grips with her failing marriage to stay-at-home dad Tom. While Rebecca's slacker brother Tobey can't seem to commit to his aspiring-novelist girlfriend, Elaine. As both relationships spin out of control, the two couples embark on a quest to rediscover the magic and romance of falling in love in New York.

Recently cuckolded and reeling from a messy divorce, a hapless former singer hits the road - and the bar - with his all-too-helpful best bud, in this hilarious romantic comedy.

The parents of a soon-to-be married couple make the final preparations for the wedding ceremony.

A pair of buddies conspire to save their best friend from marrying the wrong woman, a cold-hearted beauty who snatches him from them and breaks up their Neil Diamond cover band.

Amy Tyler has planned the perfect surprise vacation for her boyfriend Josh Merit. But the real surprise is on her when he breaks things off on their anniversary. Stuck with reservations in her ex-boyfriend's name, Amy's two best friends suggest if Amy can't change the tickets ... why not change the guy?

A travel writer improves her love life when she becomes an editor for her father's wedding magazine.

Two best friends become rivals when their respective weddings are accidentally booked for the same day.

Carl Allen, a guy whose life is going nowhere, signs up for a self-help program based on one simple covenant: say yes to everything…and anything.

A commitment-phobic 27-year old’s relationship is put to the test when she and her boyfriend attend 7 weddings in the same year.

A bubbly bride-to-be’s Christmas plans take an unexpected turn when her holiday flight to New York is detoured and she encounters a cynical bar manager who has lost his faith in love. As she scrambles to make it back east for Christmas—and plan her upcoming wedding—she begins wondering if she’s marrying the right man, and learns a surprising lesson about love.

A group of friends head to the land of oaky Chardonnays and big, bold Cabernet Sauvignons for one member of the squad’s 50th birthday party.

Jimmie is seeing his single friends get married one by one. He isn't too worried until his girlfriend Anne catches the bouquet at his friend Marco's wedding. Suddenly, his wild mustang days are numbered. He finally decides to propose to her, but he sticks his foot in his mouth and botches the proposal. Being insulted by the defeatist proposal, Anne leaves town on an assignment. After she's gone, he finds out that his recently-deceased grandfather's will stipulates that he gets nothing of a multi-million dollar fortune unless he's married by 6:05pm on his 30th birthday: tomorrow! Not being able to find Anne, Jimmie begins backtracking through his past girlfriends to find a wife.

With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle — prompting Stifler to throw the ultimate bachelor party. And Jim's dad is reliable as ever, doling out advice no one wants to hear.

Mitya accidentally proposed to his girlfriend. The problem is that Mitya is already married to Vasya, who refuses to grant him a divorce. Can Mitya and his friends convince Vasya to change her mind?

A straight-laced bank manager is about to marry the love of his life. When his bank is held up by infamous Ghost Bandits during his wedding week, he believes his future in-laws who just arrived in town, are the infamous Out-Laws.

A 12-year-old tech prodigy, whose science experiment goes awry, forges a telepathic connection with his best friend, Henry-his dog! The duo join forces and use their unique perspectives on life to comically overcome complications of family and school.

Blue-collar Paulie prepares for fatherhood and his forthcoming wedding to Sue by hanging out with his groomsmen. Brother Jimbo, cousin Mike, and his pals fill the reunion with drinking, boys-will-be-boys antics and a few unexpected personal confessions. But, when the bonding devolves into accusations and regret, Paulie has to decide whether he's ready to tie the knot and take this big step into adulthood.

Longtime single friends, Ben and Alice, agree to be each other's respective plus one at every wedding they're invited to, during a busy summer of wedding fever.

A group of 30-year-olds who have been friends since high school attempt to throw an end-of-summer orgy.

On their way to Monte Carlo, Monaco, Marilyn and her husband, Neil, meet several other married couples, including Julian and Phoebe, who are traveling with a lost dog they plan to return to its wealthy owner for a large reward. But, when the dog's mistress is murdered, the travelers become the prime suspects, and Inspector Bonnard is determined to track them all down.

Revolves around three friends who have dream weddings only to find out that the pastor who married them failed to complete the key paperwork required to make them official.

The lives of several couples and singles in New York intertwine over the course of New Year's Eve.

Two guys whose love lives are a wreck look forward to finding ladies on the high seas. Unfortunately, they've mistakenly been booked on a gay cruise.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

As his wedding day approaches, Ben heads to Miami with his soon-to-be brother-in-law James to bring down a drug dealer who's supplying the dealers of Atlanta with product.

While romancing Palmer, a much younger schoolteacher, plastic surgeon Danny Maccabee enlists his loyal assistant Katherine to pretend to be his soon to be ex-wife, in order to cover up a careless lie. When more lies backfire, Katherine's kids become involved, and everyone heads off for a weekend in Hawaii that will change all their lives.

On the eve of her high school reunion, bored housewife Kathy convinces her single best friend Emily to seduce her old flame Tom, so she can get all the juicy details. But when Emily falls for Tom, it's like high school all over again!

An actress dumps her boyfriend when she gets a television show. He finally gets over the breakup and falls in love again, just in time for his ex to return -- wanting him back.

When yet another anniversary passes without a marriage proposal from her boyfriend, Anna decides to take action. Aware of a Celtic tradition that allows women to pop the question on Feb. 29, she plans to follow her lover to Dublin and ask him to marry her. Fate has other plans, however, and Anna winds up on the other side of the Emerald Isle with handsome, but surly, Declan -- an Irishman who may just lead Anna down the road to true love.

George Murray's fiancée Jane Gardner gets cold feet after accepting his ring, terrorized by her first wedding with Doug, who cheated that very day with their wedding coordinator. After a car crash, George finds himself 10 years in the past, just days before Doug's day.

Rahul and Riana meet each other for the first time, get drunk, and awake the next morning to find that they have gotten legally married to each other.

Annie's life is a mess. But when she finds out her lifetime best friend is engaged, she simply must serve as Lillian's maid of honor. Though lovelorn and broke, Annie bluffs her way through the expensive and bizarre rituals. With one chance to get it perfect, she’ll show Lillian and her bridesmaids just how far you’ll go for someone you love.

Candy and Lonnie Earl are just crazy about each other. The problem: she's married to Roy and he's married to Darlene. So far it's been a secret affair. But that's about to change, because this foursome is driving cross-country and headed for some big surprises.

Roro, a foreign worker in Swedish parks, loves his girlfriend but is about to marry another girl to prevent her from being sent back to Lebanon. Meanwhile, Roro's best friend, Måns, has serious problems getting an erection.

A tireless and charismatic novelty seeker, Tucker tricks his buddy Dan into lying to his fiancée Kristy, so they can go to an legendary strip club three and a half hours away to celebrate Dan’s last days of bachelorhood in proper style.