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Movies like Perfect Number

Key Features:
Murder, Cover-up, Mathematics, Neighbor, Abuse, Intellectual, Moral dilemma, Consequences, Suspense, Crime, Psychological thriller
Tone:
suspense-driven, serious
Target Audience:
Thriller fans, Crime drama enthusiasts, Intellectual viewers
Emotional Arc:
Intrigue → Anxiety

Perfect Number

2012-10-18
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A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.

Genres
Thriller, Mystery
Cast
Ryoo Seung-bum, Lee Yo-won, Kim Yoon-sung, Kim Bo-ra, Kim Ah-ron, Cho Jin-woong, Lee Seok-jun, Kwak Min-ho, Lim Sung-Min, Kwon Hae-hyo
Crew
Pang Eun-jin, Kim Tae-yun, Lee Gong-ju, Lee Jung-hwa
Rating
6.6(70 votes)
Perfect NumberPerfect Number
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The Perfect Teacher

A spoiled, selfish teenager becomes infatuated with her teacher. She befriends his daughter as a way of worming her way into the family, and sets about manipulating every aspect of his life.



Ordinary People
7.461

A gym teacher and his female student look for her missing friend. But as they investigate, they find that her disappearance is a part of a larger conspiracy.



Marguerite's Theorem
6.874

The future of Marguerite, a brilliant student in Mathematics at the prestigious Ecole Normale Supérieure, seems all planned out. The only woman from her year, Marguerite is finishing a thesis she has to present to an audience of researchers. On the big day, a mistake shakes all her certainties and all her foundations collapse.



The Chronicles of Evil

A detective accidentally kills a man and disposes of the body to protect his career. The next day he sees that someone has hanged the corpse from a crane for all to see. He takes charge of the murder investigation to protect himself and find out who did it.



The Neighbors
7.3

A serial killer murders a girl from his neighborhood. The residents begin to suspect him one by one, as he tries to cover his tracks and plans another kill before escape.



Office
Office(2015)
6.4

To nab a sales manager who's at large after murdering his family, a detective investigates the man's colleagues, who seem to be hiding something.



Murder by Numbers
6.2

Tenacious homicide detective Cassie Mayweather and her still-green partner are working a murder case, attempting to profile two malevolently brilliant young men: cold, calculating killers whose dark secrets might explain their crimes.



Innocent Thing
6.532

A high school teacher whose wife is about to give birth finds himself tangled in temptation and obsession when a student falls for him.



Pi
Pi(1998)
7.111

A mathematical genius discovers a link between numbers and reality, and thus believes he can predict the future.



Dirty Teacher
5.809

When a high school senior discovers her teacher is seducing her boyfriend, events turn deadly after the teacher tries to cover it up.



Dark Figure of Crime
6.602

A serial killer is caught for his seventh murder. A cop tries to solve the first six cases with the killer's help, but starts to suspect that he has ulterior motives. Based on a true story.



A Perfect Murder
6.54

Millionaire industrialist Steven Taylor is a man who has everything but what he craves most: the love and fidelity of his wife. A hugely successful player in the New York financial world, he considers her to be his most treasured acquisition. But she needs more than simply the role of dazzling accessory.



Suspect X
Suspect X(2008)
7.6

A male corpse is discovered with a smashed face and burned hands. Strangely, the cause of death is determined to be strangulation. When Detective Kaoru Utsumi attempts to corroborate the victim’s ex-wife’s alibi she discovers the mysterious neighbor and only a few small clues to help her disprove a seemingly "airtight" alibi...



Door Lock
Door Lock(2018)
7.404

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.



Next Sohee
7.327

A female detective investigates the cause of a high school girl’s death and uncovers a disturbing truth.



Phantom Detective
6.883

Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.



Missing You
7.25

A girl who lost her father to a serial killer, a detective and a killer are intertwined in a chaotic relationship and are met with an unprecedented series of events.



Love Is the Perfect Crime

Marc, in his 40s, is a professor of literature at the University of Lausanne. Still a bachelor — and still living with his sister Marianne in a huge, isolated chalet that they inherited when they were very young — he carries on one love affair after another with his students. Winter has almost ended when one of his most brilliant students, Barbara, suddenly disappears. Two days later, Marc meets Barbara’s mother, Anna, who wants to find out more about her vanished daughter.



Jaane Jaan
7.153

When a single mother her teenage daughter becomes ensnared in a deadly crime, find an unexpected ally in their neighbor, a simple, doting but genius teacher math teacher comes to aid, while a tenacious cop digs into the case.



The Perfect Secret
6.5

Seven friends - three women and four men - meet for dinner. Everyone should put their cell phone on the table. No matter what message comes in - anyone can read it and listen to the phone calls. However, this leads to a lot of chaos.



Helpless
Helpless(2012)
7.082

A woman suddenly disappears. Her fiance then sets out to find her and, in the process, uncovers layers of dark hidden secrets.



The Unjust
6.6

An honest cop has to compromise with his principles when he is told to find a scapegoat for a high-profile serial killer case in exchange for a big promotion.



Seducing Mr. Perfect

A Korean company analyst rear-ends an American man's car then discovers he's her new boss. Unlucky at love, she begins to take romance lessons from him in order to seduce him.



Killer Toon
6.7

A web-comic artist finds that a series of murders are occurring that have a disturbing resemblance to the images in her work.



The Perfect Weapon
6.2

Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.



An Affair
An Affair(2018)
5.4

A newly appointed teacher finds herself being followed, and soon discovers that one of her own students is obsessed with her.



A Perfect Man
6.9

A struggling writer finds a shortcut to fame, but a blackmailer threatens to ruin his perfect life.



Master
Master(2016)
6.969

Korea’s biggest network marketing scam reveals a far greater network of corruption and conspiracy lurking underneath.



Swapping: Perfect Neighbor

Couple Jin-goo and Joo-hee have been experiencing a lover's slump after their marriage. Meanwhile, a new couple in the neighborhood, Hyun-jin and Yoo-jeong came to the other couple's house to introduce themselves. They're attracted with each other's husbands and wives, and in the end, crosses the line that is not supposed to be crossed within neighbors. After that day, two couples' passion intensifies...



Accident
Accident(2009)
6.7

A self-styled accident choreographer, the Brain is a professional hitman who kills his victims by trapping them in well crafted accidents that look like unfortunate mishaps. When the team's next assignment goes disastrously wrong, Brain begins to suspect that someone else has planned an ‘accident’ on them.



I, the Executioner
6.946

The veteran detective Seo Do-cheol and his team at Major Crimes, relentless in their pursuit of criminals, join forces with rookie cop Park Sun-woo to track down a serial killer who has plunged the nation into turmoil.



Proof
Proof(2005)
6.338

Catherine is a woman in her late twenties who is strongly devoted to her father, Robert, a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness, Catherine begins to wonder if she may have inherited her father's mental illness along with his mathematical genius.



No Mercy
No Mercy(2010)
7.4

Forensic pathologist Kang is assigned to examine the dismembered corpse of a female murder victim. Detective Min points to a fanatic environmentalist, Lee Sung-ho, as the primary suspect. But when Kang’s daughter is kidnapped, a manipulative game begins between Kang and Lee, who holds secrets about the homicide case.



Miss Baek
Miss Baek(2018)
7.5

A woman's past as a convict follows her everywhere and because of this she doesn't open up to others. But then she strikes up a friendship with a broken child who has suffered from domestic violence and decides to save the girl from the cruel world. A man who holds feelings for the woman, tries to protect her in his own way.



Blind
Blind(2011)
7.4

A blind witness and a runaway help the police find the suspect in a hit and run until the culprit realizes that they are close on his trail. The killer tracks her down and Soo-ah realizes that in order to save Gi-sub she would have to risk her life.



Mother
Mother(2009)
7.7

A mother lives quietly with her son. One day, a girl is brutally killed, and the boy is charged with the murder. Now, it's his mother's mission to prove him innocent.



Lesson Plan
6.025

After a teacher dies, his best friend — a former cop — takes a job at the school where he worked to confront the gang he thinks was responsible.



A Good Lawyer's Wife
5.715

A woman, married and with a child but becoming increasingly distant from her husband who is already cheating on her, reluctantly enters a secret relationship with her neighbor, a teenage boy.



Confessions
7.577

Devastated at the death of her four-year-old daughter, a grieving middle school teacher is horrified to discover that her students aren't as innocent as she thinks.



Midnight FM
6.9

Popular TV anchorwoman & late night DJ Ko Sun-young set to host her final radio program. During the show, she receives a startling text message instructing her to follow specific directions or endanger the lives of her family.



Montage
Montage(2013)
7.334

A woman's child is kidnapped and killed after paying the ransom. 15 years later, a mysterious figure is seen visiting the site of killing and another kidnapping occurs using the same methods. The woman teams up with a detective to catch the killer once and for all.



Bloody Reunion
6.683

Mi-ja, who has been taking care of a retired teacher, Ms. Park, invites several of her former students to her house 16 years after their graduation. Since the end of her teaching career, Park has been residing in the countryside, suffering from an illness while an ex-student, the kind and pretty Mi-ja cares for her.



Death Bell
6.2

In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.



Don't Buy the Seller

Soo-hyun, scammed by a broken washing machine, exposes the seller online. In retaliation, she's stalked and harassed, her life spiraling into chaos as her privacy vanishes and her home becomes unsafe.



Bad Genius
7.9

Lynn, a brilliant student, after helping her friends to get the grades they need, develops the idea of starting a much bigger exam-cheating business.



Confession of Murder

A serial killer reappears 15 years after his murder spree with a book detailing his crimes. The resentful cop who failed to catch him before is assigned to protect him. The families of the victims plan revenge. And as the media circus spirals out of control, a masked man called "J" appears claiming to be the real killer.



In Our Prime
7.991

Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.



The Teacher
6.8

The principal of an elementary school calls a special parents meeting after it’s alleged that the seemingly empathetic and kindly-looking teacher Mrs. Drazděchová uses her students to manipulate their parents.



The Beast
The Beast(2019)
6.678

Two rival detectives with different methods try to solve the murder of a missing girl after discovering her mutilated body in the tidelands of Incheon.



The Perfection
6.446

When troubled musical prodigy Charlotte seeks out Elizabeth, the new star pupil of her former school, the encounter sends both musicians down a sinister path with shocking consequences.



Voice of a Murderer

After Gyeong-bae's son is kidnapped, he receives a call from the kidnapper asking for 100 million won. The detectives are teamed up for the case, yet the culprit gets away at every opportunity.



Recalled
Recalled(2021)
7

Soo-jin, who lost her memories due to a horrible incident, starts suspecting her husband. She is confused between reality and illusion, truth and lies.



Bluebeard
Bluebeard(2017)
6.8

A doctor finds himself in the middle of an unsolved serial murder case after discovering a secret from a sedated patient. When dismembered bodies show up close to home, he must solve the riddle before the killer realizes what he knows.



Mirror Game
7.9

Ayna is an actor and the prison is his stage. He slips into the characters of the powerful convicted in exchange of money and take their place in prison. This strange profession is borne out of a society that doesn't give him a chance to follow his passion of acting, but forces him to act in the real life. Falling in love with the girl next door changes his life equation and he decides to end this career with one last performance. But this one takes him too deep in the rabbit hole. The story unfolds on how an underdog survives in a society that is merciless and struggles his way out from the clutch of crime game which he is a part too.



Miss & Mrs. Cops
6.911

Once a legendary detective and a new mom, Mi-young, now works a desk job. But when overenthusiastic newbie Ji-hye is assigned to Mi-young's civil complaints team, the two female cops get caught up in a serious criminal case that triggers an action-filled comedic investigation.



Perfect Nanny
6.025

When Myriam, the mother of two young children, decides, despite the reluctance of her husband to resume her activity in a law firm, the couple is looking for a nanny. After a severe casting, they hire Louise, who quickly conquers the affection of children and gradually occupies a central place in the home. Gradually the trap of mutual dependence will close, until the tragedy.



Depravity
Depravity(2024)
5.445

A group of residents begins to suspect that their strange neighbor might be hiding something dark.



The Truth Beneath
6.947

For 15 days, a politician and his wife navigate a scandal after their daughter goes missing on the eve of the national elections.



Seven Days
6.7

A successful lawyer who, in order to save her daughter, is pressured into defending the innocence of a man slated to receive the death penalty.



Public Enemy
7.2

A notorious dirty cop makes an honest attempt to catch a serial killer who even murdered his own parents.



Creepy
Creepy(2016)
6.7

After having narrowly escaped an attempt on his life at the hands of a psychopath, detective inspector Takakura quits active service in the police force and takes up a position as a university lecturer in criminal psychology. But his desire to get to the bottom of criminals’ motives remains, and he does not hesitate long when former colleague Nogami asks him to reopen an old case.



The Detective
6.4

A private detective is drawn into a complex murder mystery when he is hired to track down a missing young woman.



Too Beautiful to Lie

A professional lady con makes herself the pharmacist's fiancée overnight, and faces a disastrous blemish in her impeccable con-woman career.



Just Short of Perfect

A divorced lawyer falls for a charismatic cardiologist. But when their difference in size leads to family friction, is she ready to listen to her heart?



Hide and Seek
6.545

Sung-soo has everything a man could want: a beautiful wife and children, a comfortable home and luxury car, and plenty of money in the bank. When he learns that his estranged brother, Sung-chul, has gone missing, haunting memories of their troubled past urge him to visit his brother’s apartment in search of answers.



A Violent Prosecutor

After a prosecution lawyer is framed and convicted for murder, he tries to catch the real murderer from jail with the help of a con artist.



Scarlet Innocence
6.09

A university professor gradually succumbing to blindness is entranced by an obsessive love, in this modern-day adaptation of a classic Korean fairy tale.



Perfect Stranger
5.8

A journalist goes undercover to ferret out businessman Harrison Hill as her best friend's killer. Posing as one of his temps, she enters into a game of online cat-and-mouse.



Unlocked
Unlocked(2023)
7.325

A woman's life is turned upside-down when a dangerous man gets a hold of her lost cell phone and uses it to track her every move.



Time
Time(2006)
6.862

Consumed by jealousy, a woman takes an extreme step and undergoes surgery for a new face. Although her lover of 2 years misses her, he falls in love with the new face, not knowing it's the same woman.



The Witness
6.727

An ordinary man witnesses a cruel murder and becomes entangled in circumstances out of his control.



A Hard Day
7.1

After trying to cover up a car accident that left a man dead, a crooked homicide detective is stalked by a mysterious man claiming to have witnessed the event.



Missing
Missing(2016)
6.9

A working single mother comes home one day to find that her daughter and the nanny have disappeared -- and this is just the beginning of her nightmare.



E=mc²
E=mc²(2002)
6.132

The film tells about mainly three people - Max, a bored, smart, poor University Professor of Philosophy; Ramzes, a mafia leader, cool, strong, merciless bully and Stella, Ramzes girlfriend.



Fermat's Room
6.6

Four mathematicians are imprisoned in a shrinking room; with the walls closing in, they must try anything to escape this fatal puzzle.



Innocence
Innocence(2020)
7.8

A lawyer tries to prove her mother's innocence and uncover the secrets of a small village with the help of the local mayor. Her mother was accused of murder after the rice wine was poisoned at her husband's funeral, but she is suffering from memory loss and cannot defend herself.



Decision to Leave
7.3

From a mountain peak in South Korea, a man plummets to his death. Did he jump, or was he pushed? When detective Hae-joon arrives on the scene, he begins to suspect the dead man’s wife Seo-rae. But as he digs deeper into the investigation, he finds himself trapped in a web of deception and desire.



The Perfect Score
5.8

Six high school seniors decide to break into the Princeton Testing Center so they can steal the answers to their upcoming SAT tests and all get perfect scores.



6ixtynin9
6ixtynin9(1999)
6.76

A woman, fired from a financial corporation during the Asia crisis, returns home with no money. However, she finds a box with a fortune in front of her door, and decides to keep it. However, the people that left it there soon want it back.



The Perfect Patient

A true and captivating story about the biggest legal scandal in Swedish history, the story about the reporter who questioned an entire legal system. Hannes Råstam was dedicated to proving the innocence of Thomas Quick and unmask the legal chaos which sentenced Quick to a life in psychiatric prison.



The Good Neighbor
6.485

A nightmarish evening unfolds for neighbors David and Robert when they accidentally hit a woman on her bike and flee the scene. While David is increasingly plagued by feelings of guilt, Robert shows no remorse and becomes overbearing and possessive.



The Oxford Murders

At Oxford University, a professor and a grad student work together to try and stop a potential series of murders seemingly linked by mathematical symbols.



A Perfect Enemy
6.4

Famed architect Jeremy Angust is approached on his trip to the Paris Airport by a chatty girl named Texel Textor who needs a ride. He obliges and after they part ways at the airport entrance, he misses his flight. As he settles in the lounge, he encounters the mysterious young Texel again, who insists on telling her strange story — and the conversation grows stranger and more twisted until it turns sinister and deadly.



The Perfect Guy
5.695

With a fulfilling career and a loving relationship, lobbyist Leah Vaughn seems to have it all. Things come crashing down when Dave, her long-term boyfriend, disagrees with her future plans for marriage and a family. The resulting painful breakup leaves Leah heartbroken, until she meets the charming and handsome Carter Duncan. Soon, the budding romance turns dangerous as Carter reveals his volatile nature, forcing Leah to break up with the man she thought was Mr. Right. She soon realizes that Carter doesn't want to let her go.



Happy End
Happy End(1999)
6.572

When a wife becomes the breadwinner of her family after her husband loses his job, adultery becomes part of her life.



Brave Citizen
7.39

An expelled boxing champion, who now is a high-school teacher, witnesses intolerable violence and throws her first punch to build justice against it, while putting on a mask.



5 Is the Perfect Number

Peppino, a retired hitman for the Camorra, has now fully passed on his job and know-how to his single son, Nino. But when Nino is brutally assassinated, the old man is back in business to take revenge. Aside his everlasting love Rita and his longtime henchman Totò, Peppino will go to any lengths, even if it means bringing the Camorra down.



Unstoppable
7.407

Dong-chul and Ji-soo are a happily married couple. One day, Dong-chul comes home to find his house in disarray and his wife missing.



The Client
6.9

Kang Seong-hee, a famous lawyer, takes up a case wherein he has to defend a man who is the main suspect in his wife's death. However, a formidable public attorney tries to test his mettle in court.



Perfect Strangers
6.1

A dinner party unravels when a tight group of friends agree to leave their phones unlocked on the table, exposing juicy interactions and dark secrets.



Tell Me Something
6.2

Detective Cho, a cop on the edge, is mourning his mother's recent death while under investigation for graft; on top of that he is suddenly put in charge of a seemingly-impenetrable mystery.



Cold Eyes
Cold Eyes(2013)
7.5

Ha Yoon-ju becomes the newest member of a unit within the Korean Police Forces Special Crime Department that specializes in surveillance activities on high-profile criminals. She teams up with Hwang Sang-jun, the veteran leader of the unit, and tries to track down James who is the cold-hearted leader of an armed criminal organization.



Memoir of a Murderer
7.393

A former serial killer with Alzheimer's fights to protect his daughter from her mysterious boyfriend who may be a serial killer too.



Compulsion
7.1

Two close friends' plan to execute a flawless crime is crushed when one of them inadvertently leaves his glasses at the crime scene.



Method
Method(2017)
6.9

A seasoned actor and a pop star are cast as leads in a gay romantic play. As the actor teaches the pop star method acting, the line between fiction and reality is blurred and they become drawn to each other.



Perfect Blue
8.299

Rising pop star Mima quits singing to pursue a career as an actress. After she takes up a role on a popular detective show, her handlers and collaborators begin turning up murdered. Harboring feelings of guilt and haunted by visions of her former self, Mima's reality and fantasy meld into a frenzied paranoia.



An Invisible Sign
5.168

Mona Gray is a 20-year-old loner who, as a child, turned to math for salvation after her father became ill. As an adult, Mona now teaches the subject and must help her students through their own crises.



Quick
Quick(2011)
5.909

A biker is forced to deliver a ticking time bomb by a mysterious caller who has put an explosive helmet on his ex-girlfriend.



The Gangster, the Cop, the Devil

After barely surviving a brutal attack by a sadistic serial killer, crime boss Jang Dong-su is left humiliated. Determined to catch the killer known as K, he forms an uneasy alliance with Jung Tae-seok, a relentless and incorruptible detective who often disrupts his illegal business. However, while Jang Dong-su wants K dead, Jung Tae-suk is determined to bring him to justice. With a deal in place—whoever finds K first will decide his fate—the hunt begins, blurring the lines between crime and law.

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