A pawnbroker is found murdered in a remote town. Police suspect that he was murdered by an acquaintance, as even the most experienced investigator on the case could identify no signs of resistance. Three people come under suspicion but all of them have perfect alibis and the investigation comes to a standstill. One year later, one of them is found dead and the original murder case becomes even more mysterious. Almost fifteen years pass and the lead inspector, now approaching retirement, reflects on the only case he could not solve in an otherwise successful career. Haunted by a sense of responsibility and guilt that he caused suffering by letting the murder case go unsolved, he decides to re-investigate. His persistent search brings attention to the long forgotten case and reveals a hidden relationship between the victim’s son and the neighborhood woman’s daughter. As their love grows, more crimes happen. As their sin grows, the inspector’s chase comes closer to them.
Oh Su-bi’s husband, Shin Hyun-wu, is in jail for involuntary homicide. For the past two years, Su-bi has visited her husband every week. Though she is anguished by Hyun-wu’s affairs, Su-bi is unable to divorce him even though everyone thinks she should. While visiting her husband, Su-bi meets Kim Dong-yub, a student of art, and feels his sincerity. One day, Su-bi runs into an old boyfriend, Kim Mun-ho, who lives in the same apartment complex. They engage in an affair. However, Su-bi is unable to bear the perverted sexual preferences of Mun-ho. She goes to Dong-yub and engages in a pure love. Hyun-wu asks for a divorce. When Su-bi is in the country, Dong-yub comes to her and promises to take her to France. However, the day they are supposed to leave for France, Hyun-wu is released from jail on a special pardon. Though she was on her way to Dong-yub, Su-bi finds herself greeting Hyun-wu, unable to free herself from the shackles of marriage.
Mute Hee-Jin is working as a clerk in a fishing resort in the Korean wilderness; selling baits, food and occasionally her body to the fishing tourists. One day she falls in love to Hyun-Shik, who is on the run for the police and rescues him with a fish hook, when he tries to commit suicide.
40-year-old Sociology professor Hye-jung falls for a 21-year-old Usang, a male student who helps her project research on women’s extramarital affair. Their prohibited love and secrets are watched and told by two secretive observers. They are her copy machine and his digital camera.
Min-Woo is a journalist who lives in the apartment of a woman who died in a car crash. Min-Woo has examined the car wreck and slowly becomes obsessed by the woman’s past, also because her personal belongings were never retrieved by family. Min-Woo finds out that the woman had met a sexually confused man. At the moment when Min-woo, because of his obsession, loses grip on his own life, he meets Jae-Hee, a former female friend. He still feels attracted to her, and to his surprise she wants to sleep with him, on the one condition that they will have sex only nine times.
A promising photographer Min-woo (Kim Yun-Tae) ran into his ex-lover, Jae-hee (Kim Ju-Ryeong). Jae-hee proposes nine-times-only secret affair, although she was married. They begin to seek sexual relationship everyday. One day, Min-woo witnesses runaway car accident and watches victim dying in his hands. A languid afternoon, Min-woo and Jae-hee are making love, and at the climax, Min-woo was hit by the image of a girl getting raped. From then on, Min-woo experiences strange feelings; a girl’s soul is wandering in his head.
Jong-hwan’s friend’s daughter Seong-hye moves into his house. She messes up the house and drinks with her friends and even has sex with men in the house. One day, Jong-hwan ends up comforting Seong-hye who broke up with her boyfriend. They spend more time together and become dependent on each other. Afterwards, they fall for each other more than they should…
She imagines having secret sex with her brother-in-law. The 23-year-old lives with her sister and her husband. She’s witnessed them having sex once and now imagines her brother-in-law and his naked physical body. One day, she is introduced to a date by her brother-in-law. The date is himself. He planned on taking her out one day to cheer her up. She imagines having sex with him but she knows it’s not possible and writes it down her on Bucket List. What will happen to her love for him?