korean wife tests husband and the friends cheats with him

Ji-ho regrets marriage with her selfish, withholding husband. She is desperate for a real relationship and by chance falls for a man who is exhausted from his constant lonely state. It turns out that the man is her husband's colleague, but she continues to enjoy herself anyway. Her husband returns home from a business trip and witnesses something he didn't expect to see.

Dong-ki's sexuality is burning with passion but he doesn't dare ask his innocent and pretty wife Ah-hyeon to fulfill them for him. However, his friend's wife Mi-ae is different. She loves risky sex and she approaches Dong-ki first. They fulfill each others' sex fantasy. Their relationship gets deeper once they become neighbors.

Seok-ho, a self-styled playboy with a beautiful wife, is fooling around with Ji-yeon, a voluptuous photographer, but pines for Chae-young, a college student who appears to be the most virtuous girl in all of Korea. But it turns out that Chae-young, who frustrates her suitor at every turn, is not so chaste after all. The plot thickens as Seok-ho's best friend Young-su, outwardly awkward and shy, sets his sights on Ji-yeon, not realizing that she is already involved with his best buddy.

Ji-hyeok sees a picture of Joo-yeong, Seong-ho's wife, and falls in love at first sight. To meet Joo-young, Ji-hyeok invites Seong-ho to her house. 'Ji-hyeok and Jeong-hwa couple' uses the power of their boss to rape 'Seong-ho and Joo-young'. Seong-ho and Joo-young put up with rape in order to get promoted. Meanwhile, Ji-hyeok finds out that his wife Jeong-hwa is having an affair with “subordinate Seong-ho,” and presses Seong-ho to see if his pride has been damaged. Joo-young voluntarily visits Ji-hyeok for the first time for her husband Seong-ho's promotion.

In a Korean city a couple visits their new apartment. Changing their home causes the memory of their delicate marital affair, the husband’s identity transformation in a transsexual. An evolution which is accepted by the wife at home, but that gets twisted when the place changes into a public space with other witnesses.