On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.

Young-seok, who feels overwhelmed and lonely in what should be his glorious youth, meets a woman who introduces herself as Josée, and they share a once-in-a-lifetime romance.

In the year 1999, a young woman leaves her quaint seaside house and returns to the city, leaving in the mailbox a card for the next owner, with instructions to forward any mail of hers to the new address. In the year 1997, a jaded young architect moves into the same house and finds the letter. His reply, which he slips into the mailbox, finds its way to her, beginning a parallel-time love story separated by a span of two years.

A South Korean woman in her sixties enrolls in a poetry class as she grapples with her faltering memory and her grandson's appalling wrongdoing.

Mi-so and Ha-eun meet in elementary school and quickly become best friends. In high school, Ha-eun meets Jin-woo and starts to have feelings for him, but he starts to have feelings for Mi-so. When they all meet again as adults, they are very different people, but they try to remember what friendship is really about.

Hiroko attends the memorial service of her fiancé, Itsuki Fujii, who died in a mountain-climbing incident. Although Itsuki's mother says that their old house is gone, Hiroko records the address listed under his name in his yearbook and sends him a letter. Surprisingly, she receives a reply, and discovers it came from his old classmate, a girl who also happens to be called Itsuki Fujii.

As the first snow falls in Seoul, two old friends reunite; one is a successful college professor, and the other, a struggling filmmaker recently returned from the United States. After their reminiscences, they finally decide to go in search of the young woman each had romanced years earlier.

After decades apart, childhood friends Nora and Hae Sung are reunited in New York for one fateful weekend as they confront notions of destiny, love, and the choices that make a life.

Despite their different family backgrounds, four friends grew up together in the wearisome years of the 70s. But as time goes by, each of them takes a different life path.

A reclusive elderly poet feels the fire of his youth when gamine schoolgirl Eun-gyo enters his life, to the chagrin of the old man's assistant.

The arrival of an intimate letter prompts a young woman to bring her mother on vacation to a small Japanese town, where someone special resides.

Seven girls become good friends in high school, then events pull them apart for 25 years. When one of the friends lies dying in a hospital, she wishes to see each of them one last time.

In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend – then she gets swept up in a love story of her own.

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.

Oki, a film student, gets involved in two relationships as she navigates the advances of a fellow student and grapples with her feelings for her much older professor.

Kim Ji-young, an ordinary woman in her 30s, suddenly shows signs of being inhabited by other women from her life, past and present.

Along with his young son, Ji-ho, Woo-jin misses his wife Soo-a, who died after promising to return a year later with the rainy season. Miraculously, they reunite with Soo-a when the rainy season comes around, but she has no memory of her husband and son whom she dearly loved.

Follows the life of a young woman who has become reserved and indifferent to the world as a result of her chronic illness deformed hand and quietly portrays the unconventional, yet endearing relationship between mother and daughter as well as the development of Min-ah as she is befriended by the high spirited and carefree photographer Young-jae who moves into their apartment complex.

An unexpected phone call brings an elderly woman to her childhood country cottage, and memories of an orphan boy she knew 47 years ago come flooding back to her.

A touching story of two completely different students from two completely different worlds. One is a rich male repeating his third year of high school and the other a poor girl in her second year of university struggling to make ends meet.

Kwon returns to Seoul from a restorative stay in the mountains. She is given a packet of letters left by Mori, who has come back from Japan to propose to her. Kwon drops and scatters the letters, all of which are undated. When she reads them, she has to make sense of the chronology.

When Seung-min was on his first year at the Academy of Architecture, he met Seo-yeon. She was a musician student, and Seung-min totally fell in love with her. Years have passed, and now he meets Seo-yeon again - she asks him to rebuild her father's old house.

These intertwining stories about romance and separation follow a firefighter who can't find the right time to propose, a shy theme park worker who falls for an artist, an estranged mother and son, and a man seeking to regain his lost love.

While her husband is on a business trip, Gam-hee meets three of her friends on the outskirts of Seoul.

Through the course of their lives, a man and his first love are repeatedly separated from each other because of circumstances out of their control.

"Innocent face, D-cup breasts and perfect intercourse skills! Son, this is not your girlfriend anymore but your mother!" Ki-ho brings Yuki from Japan to marry her. However, he starts cheating on her with his ex-girlfriend in Korea. Min-cheol comforted Yuki and thought of her as his daughter-in-law, but one day he realizes he is looking at her as a woman. In the end, Yuki and Min-cheol have intercourse without Ki-ho knowing...

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.

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.

A former boxer turned parking lot attendant finds hope in the love of the blind telemarketer who walks into his booth one day.

Over drinks, two friends agree to swap fond memories of their recent trips to the same seaside town. As the stories unfold in flashback, it becomes evident their accounts take place at the same time and with the same people.

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

In this endearing supernatural love story spanning two decades, a university student finds himself communicating with a female classmate from the same school through an antique ham radio.

Connected by phone in the same home but 20 years apart, a caller puts a woman’s past — and life — on the line to change her own fate.

The films spans two decades as the story unfolds in a series of flashbacks that begin when Qiyue and Ansheng were just thirteen. The two became inseparable until they met a boy who ended up tearing their lives apart.

Wang Tiemei, a single mother, loses her job and moves, befriending neighbor Xiaoye who appears cheerful but is depressed. Their bond grows as Tiemei navigates relationships with her ex-husband causing trouble.

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.

Areum sits in a small café, typing on her laptop. Around her, customers enact various dramas from their lives. Is she writing what she hears or is she hearing what's been written?

When a legendary Go master loses his title to a one-time friend and protégé, he sets out to reclaim it in a high-stakes battle of wits and skill.

When a high school diploma becomes the key to unlocking his inheritance, a spoiled teen gets an invaluable lesson in life and love in a rural village.

A married couple who received a divorce settlement lose their memories in an accident. With amnesia, they fall in love again, so their families try to restore their memories to finalize the divorce.

In the aftermath of a car crash, a man discovers his dreams are tied to a stranger's sleepwalking.

Jin-hyeok opens a cake shop in an old antique shop, hiring Seon-woo, Korea's best pastry chef, who fell in love with him in high school. Also there, are Su-young, crushing on Seon-woo, ex-boxer Ki-beom, and Seon-woo's French ex-boyfriend.

By mistake, film director Ham Chun-su arrives in Suwon a day early. With time to kill before his lecture the next day, Chun-su stops by a restored, old palace and meets an artist named Yoon Hee-jung. Together, they go to Hee-jung's workshop to look at her paintings, have Sushi with Soju for dinner, and get close. Later, they go to another café and have more drinks with Hee-jung's acquaintances. When asked if he is married, Chun-su is forced to reveal the fact that he is, and Hee-jung gets deeply disappointed...

Kwon Yeon-woo is a thirty year old low-level civil servant who works in a district office; quite innocent for his age, he has been on numerous blind dates in an unsuccessful bid to find a wife. After moving into a new place, he begins to encounter a high school girl, Soo-yeong, on his way to work every morning, and she begins to develop feelings for him. Meanwhile, Kang Sook has just started working at the district office straight out of high school, and falls head over heels for older woman Kwon Ha-kyeong.

The ghost of a lesbian high-school girl takes revenge on the people who used to bully her. And another young girl finds her old diary detailing her love and rejection when she was alive.

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

A man sets up the First Love Agency to help people locate their long-lost first love. But then he ends up falling in love with his first client.

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.

Min Ji-Won suffers from amnesia caused by an accident almost a year ago. After the accident, Min Ji-Won is a shy person. Prior to the accident, Min Ji-Won was the leader of a gang of four girl bullies. Through pictures, Min Ji-Won learns about the three other members and she wants to learn what happened to them. While Min Ji-Won attempts to unravel the mystery, her former friends are killed one by one.

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.

Two best friends, So-yool and Yeon-hee, dream of becoming the top artists in Seoul together. But their friendship doesn't last long as Yoon-woo, So-yool's first love and songwriter, falls in love with Yeon-hee and her voice. So-yool's feeling of jealousy and inferiority towards Yeon-hee grows by the day, and she eventually makes a drastic decision to bring the two lovers down.

The beautiful 500-year-old vampire who lived a quiet life running a dressing room in a secluded alley. There has come a fatal crisis to her. The smell of the boy who likes her constantly stimulates her vampire instinct which has been suppressed for a while

Shin-ae moves to her recently late husband’s hometown. Despite her efforts to settle in this unfamiliar and too-normal place, she finds that she can’t fit in. After a sudden tragedy, Shin-ae turns to Christianity to relieve her pain, but when even this is not permitted, she wages a war against God.

After being involved in a traumatic incident, 17-year-old Gong-ju is forced to change schools. Uncared for by her parents, her previous teacher arranges for her to hide away at his mother's place. It takes time for her past to catch up with her, but when it does the revelation is devastating.

On an unusual day, a series of coincidences lead Eduardo to meet Monica at a party. A curiosity is aroused between the two and, despite not being alike, they fall madly in love. In 1980s Brasília, their love needs to mature and learn to overcome differences.

14-year-old Eun-hee moves through life like a hummingbird searching for a taste of sweetness wherever she may find it. Ignored by her parents and abused by her brother, she finds her escape by roaming the neighborhood with her best friend, going on adventures, and exploring young love.

An epic love story centered around an older man who reads aloud to a woman with Alzheimer's. From a faded notebook, the old man's words bring to life the story about a couple who is separated by World War II, and is then passionately reunited, seven years later, after they have taken different paths.

Kyung-jin, a police officer who finds herself chasing down a suspected bag-snatcher on her day off. However, the man she catches turns out to be Myungwoo, a passer-by who was himself trying to apprehend the real criminal.

This is the story of a 7-year-old boy, Sang-woo, born and raised in the big city, and his mute grandmother, who has spent her whole life in a small rural village.

A young man released from prison visits the widow of the man he killed drunk-driving and becomes infatuated with his cerebral palsy-stricken daughter.

Taeko and her husband, Jirō, are living a peaceful existence with her young son, Keita, when a tragic accident brings the boy's long-lost father, Park, back into her life. To cope with the pain and guilt, Taeko throws herself into helping this deaf and homeless man.

A secret, passionate affair happens in the summer of 1969 between Colonel Jin Pyeong, trapped in a loveless marriage with Soo Jin, and Jong Ga Heun, the Chinese-Korean wife of Captain Kyung Woo Jin.

In Seoul, a suicidal student meets a young woman who decides to join him in his fatal gesture. Dong-soo, an unsuccessful filmmaker, spots a beautiful young woman, who happens to be the lead actress in the film he has just seen. Their stories will cross paths thanks to their love for cinema.

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.

An exceptionally talented face reader becomes entangled in a bloody power struggle between a child king and his uncle who plans to usurp the throne.

Following a humiliating plagiarism scandal, an author moves to an isolated small-town house with her daughter to write her comeback novel. Desperate for inspiration, she communicates with a mysterious ghostly presence that has befriended her daughter.

Two high school students form an intense connection as they navigate the challenges of discovering and expressing their truest selves.

While a South Korean man wanders the city in search of the woman he just broke up with, she successively meets and flirts with two men who claim to have met her before.

A grumpy old woman befriends a young civil servant and learns English from him. She then reveals to him her shocking past.

A young woman leaves the city to return to her hometown in the countryside. Seeking to escape the hustle and bustle of the city, she becomes self-sufficient in a bid to reconnect with nature.

Hoping to find a sense of connection to her late mother, Gorgeous takes a trip with her friends to visit her aunt's ancestral house in the countryside. The girls soon discover that there is more to the old house than meets the eye.

Cho-won is an autistic but happy young man who loves to draw zebras and run. His mother wants him to feel normal by accomplishing a feat that no one thought his son could achieve. With the help of a coach in exile, she trains him to become a marathon runner.

A lonely doctor who once occupied an unusual lakeside home begins exchanging love letters with its former resident, a frustrated architect. They must try to unravel the mystery behind their extraordinary romance before it's too late.

Devastated after her mom's serious accident and grief-stricken because she hasn't become the daughter she wanted to be for her mother, Jia Xiaoling finds herself transported back in time to the year 1981, where she meets her young mother before she was her mom.

Elegant, retired architect Shauna (70) crosses paths with Pierre, a happily married doctor in his 40s, who first made an impression on her in a brief meeting 15 years previously. Both are quite troubled to meet again and begin an affair. While Pierre’s family life is soon turned upside down, Shauna struggles with feelings she thought belonged to the past.

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.

A young couple's love is tested when Sun-jin is diagnosed with a rare form of Alzheimer's disease.

A wealthy young man pursues a young woman of modest means, but circumstances often separate them as the years pass.

Dreaming of making a way station for his sister and the villagers who have no choice but to commute along the dangerous train tracks every day, Joon-kyung sends many letters to the President, but with no reply. Ra-hee, who has a crush on Joon-kyung, does everything she can to help him meet the President.

After losing both her parents, Failan emmigrates to Korea to seek her only remaining relatives. Once she reaches Korea, she finds out that her relatives have moved to Canada well over a year ago. Desperate to stay and make a living in Korea, Failan is forced to have an arranged marriage through a match-making agency.

The day she turns 40, Marguerite Flora, a successful rep for a nuclear power company, begins receiving letters she'd sent to herself at age seven. The letters tell her what to do if her life hasn't turned out the way she thought it should, when she was living in poverty with her mother and brother in a small village in southern France. She decides to go back to her birthplace to get the lawyer to stop the letters, but also to visit her childhood sweetheart and her long-forgotten brother, in order to find peace within herself.

Pil-ju, an Alzheimer's patient in his 80s, who lost all his family during the Japanese colonial era, and devotes his lifelong revenge before his memories disappear, and a young man in his 20s who helps him.

A girl who went missing after an accident returns 10 years later and reunites with her grandmother.

A group of close friends who attend a private school all have a debilitating crush on the sunny star pupil, Shen Chia-yi. The only member of the group who claims not to is Ko Ching-teng, but he ends up loving her as well.

When they were young, Min-joo and Seo-yeon cared for each other and were closer than brothers and sisters. However, she accidentally learns about Seo-yeon's tutor, Woo-hyeon, and because of this man, their 10-year friendship starts to become shaky. Meanwhile, Jeong-soo is hurt in seeing Min-joo like that, and so he distanced himself from Min-joo. Because of Min-joo and Seo-yeon's misunderstanding, Jeong-soo who couldn't care much might just leave so Min-joo tries to break up with the help of Seo-yeon. While in the process of breaking up, Min-joo and Seo-yeon went back to their close relationship. The love of women who have been separated because of man, and the two men's friendship is comically drawn.

It's a sweltering summer, but Jung-won, a terminally ill, thirty-something photographer, is already in the winter of his life when he begins a tentative romance with a young traffic cop who doesn't know about his condition. Is their relationship doomed before it even begins?

A historical drama set in the Koryo dynasty and focused on the relationship between a king and his bodyguard.

Yoon-jung accidentally calls a stranger, instead of her boyfriend, and has phone sex with the unknown man. When Yoon-jung's relationship with her boyfriend turns sour, Yoon-jung meets Hyun-seung, the stranger she had phone sex with.

Ten years ago, on a train home during the busy Spring Festival travel period, fate brings Xiaoxiao and Jianqing together. Like many young couples, they meet, fall in love, and strive to make it work, but eventually, the harsh realities of life make them drift apart. Ten years later, they run into each other again. Will they make the most of this second chance and rekindle what they once lost?

When one girl from five close school friends moves to Seoul after school is over, the other four try and deal with the loss of her moving and them drifting apart.

The relationship between Ed, a married astronomer and Amy, his lover, who spend their years apart, is based only on phone calls and texts. One day Amy begins noticing something strange in Ed's messages.

Women enter and exit a science fiction author's life over the course of a few years after the author loses the woman he considers his one true love.

Se-ha who is a physically handicapped and Dong-gu who is a mentally handicapped are not their own brothers. But while living 20 years together, the two became indispensable to each other. One day, the mother of Dong-gu suddenly visits him and acts as his guardian.

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.

Lara Jean's love life goes from imaginary to out of control when her secret letters to every boy she's ever fallen for are mysteriously mailed out.

The story of a long-lost book that mysteriously reappears and connects an old man searching for his son with a girl seeking a cure for her mother's loneliness.

On her first day at work, Areum replaces a woman who broke up with the boss. The wife of the boss finds a love note, bursts into the office, and mistakes Areum for the other woman.

From Paris in the 1960s to London in the first decade of the third millennium, Madeleine and her daughter Véra flit from one amorous adventure to the next, living for the moment and taking all the opportunities that life offers. But not every love affair is without its consequences, its upsets and its disappointments. As time goes by and gnaws away at one’s deepest feelings, love becomes a harder game to play.

Three years ago, a father saved his daughter's life. After she's involved in a car accident, it looks like he'll have to do it again, no matter how many attempts it takes.