Joon-pyo is a troublemaker who just got out of prison, and moves in with his brother Joon-seok and his wife Eun-ha. On the first day of meeting his sister-in-law, she looks calm and quiet, but she actually used to be a member of a high school gang. She hands Joon-pyo some money in return for not talking about her past. A few days later, Eun-ha is furious to see her husband having an intimate moment with her sister. Joon-pyo sees this as his chance and approaches a drunken Eun-ha...

Bong-soo receives a love tutor from Hope to escape from Moto-solo. Just a friend, Jeongyeon, starts to look like a woman. Bongsu confesses his anxiety to hope.

Jeong-hyeok happens to meet In-joo, a former karaoke helper, in his neighborhood while being bored with his married life with Eun-hye. In-joo sees Jeong-hyeok's affair and takes advantage of it and asks him for money, but Jeong-hyeok seduces her to swapping because he will give her more money. In-joo, who needed travel funds with her lover Woo-seong, allows swapping and begins to swap. Embarrassed by his lover's and husband's swapping proposal, Woo-seong and Eun-hye are forced to share the swapping. Then Woo-seong and Eun-hye are attracted to each other, and they meet secretly.

Seok, who wants to try perverted sex, pesters Hyun-jin every day, but Hyun-jin rejects it saying she only like normal things. And then one day while delivering chicken, he found So-ra and Hyun-soo, a couple who enjoys delivery exposures. Frustrated as he is with Hyun-jin, he starts neglecting her and became more and more hooked with the So-ra couple. To recover their relationship, Hyun-jin goes on a date with Seok. But then a call came for him. The couple invites him for sex. Will he be having a date with his wife, or will he accept the invitation he may only get once in a lifetime? What would be his choice?

One day, Min-sang who is not that handsome becomes a huge success because of a webtoon. Then he gets a sexy wife, Yu-ra, for himself. Min-sang is having a dream-like marriage with Yura. It has been a perfect day except for his sister-in-law Yu-mi, who hates her ugly self. Accidentally, he learned of his wife's dark past through his sister-in-law's diary, and this leads to a reversal of the relationship with her sister-in-law. Min-sang began to demand excessive demands from his sister-in-law, and Yu-mi began to accept them. Where will the end of the relationship between Min-sang, Yu-ra, and Yu-mi lead?

A father and his son's lives were wrecked after the wife got into a car accident. Her friend Mi-ae comes to the house to help them with the chores while she's away. She is a good housewife and an even better sex machines when she's drunk. The two men of the house give into her for her curves...

So-ra, a woman who lives day by day meeting conditions. Hyeon-soo, a man obsessed with women's scent. Upon Hyeon-soo's suggestion to sponsor her, So-ra maintains a lover-like relationship with him. Sora and Hyeon-soo as couples seduce men for fun, enslave them, and then destroys families. Once, while seeing a happy couple in a chicken restaurant, So-ra felt jealous and wanted to break that happiness. So-ra and Hyeon-soo decide to seduce the husband and brings him to their guest house after several delivery exposures. In the end, the couples swap together with Seok and Hyeon-jin at a chicken restaurant. Can Sora's plan succeed to destroy ordinary couples?

Sun-young and Jun-young are living together. However, they have been unable to pay the rent for several months and listen to the pinzan from the landlord. Eventually, after worrying, he goes to Jun-young's father's house and asks for help. But there, the father's new lover, Ji-young, greets them. Sun-young and Jun-young are unable to borrow money and live in the house for the time being. But after that day. Jun-young's father Dae-woong's eyes keep seeing Sun-young's short mini skirt. Ji-young is interested in Jun-young, who is young and manly…

Junho and Jungkook are friends. They each live with their mother. One day, Jun-ho goes to his friend's home to meet Jung-kook's mother Mi-jeong. However, she falls in love at first sight with her younger and more beautiful figure. Mi-ho, who has lived alone without her husband, falls in love with Junho. Meanwhile, Jungkook is going to have a wild conversation with Junho's stepmom Yujeong whom he met with a chat application and feel her actually...

Jae-hong is studying for his college entrance exam for the third time when his mother's sexy friend Eun-jin gets a divorce and comes to live with them until she finds a place to stay. Day by day, Jae-hong gets attracted to her sexy body. Not only that, his father Young-ho is also attracted to her...

Jini feels skeptical about her familiar life. A life you want to run away from. She has a crush on the newly entered boxer Doosan and asks to leave the place together. Doosan decides to stay there, contrary to Jini’s wishes. By the way…