In Hwa and Jong Soo, who lived an ordinary daily life, face a crisis in their relationship when sister-in-law and Hyun Ah suddenly appears one day. In the past, the sister-in-law had a relationship with Jong Soo, perhaps because of that, In Hwa became more and more hateful of her younger sister.

Jong-tae and Eun-mi, were invited to the housewarming of Seung-gyu and Yoon-hee. Seung-gyu learns that his senior's business is almost on the verge of bankruptcy. Seung-gyu suggests staying together for a while to his senior who was vigorously frightened to avoid the debtor. After a few days, the couples get to drink and play a wish-making game. Seung-gyu, who won the game, offers a swapping offer...

The female boss of adult products opens her own personal channel, thinking that if she introduces her unique experience of sexual masturbation through YouTube, it will attract attention. From product planning to product production, she talks about various episodes and succeeds in establishing herself as her popular YouTuber. The episodes she unraveled vary from an unusual part-timer who tests her products first, including the experience of having sex with her customers at her supply shop, to various stories. ​

Daughter Soo-hyeon is living a fun life with her mother Eun-mi. Then suddenly, a strange thing happens to mother Eun-mi and daughter Soo-hyeon, whose bodies changed. The two are forced to play the role of mother and daughter. Then, when the mother and the daughter have sex with each other's partners, they try to have more intimate and stimulating sex.

Gyu-nam, even with a girlfriend, meets a married woman in an online chatroom and starts an affair. Gyu-nam, who is more sexually attracted to married women who tries to push him away, finds out that the woman's husband she is having an affair with is blind. The married woman and Gyu-nam boldly engage in a love affair in front of the blind husband. The woman feels guilty but she keeps on seeing Gyu-nam, but is torn because her blind husband has a good sense of humor. What is the fate of this affair?

Jeong-gook, who runs a private business, only looks at his son after he got hurt. Seong-sil came as a tutor when Jong-soo became a high school student. Jong-soo, who had no mother, follows Seong-sil as a teacher, sister, and mother. Jeong-gook, who watched this, gradually grows in love with Seong-sil, and the two start a family based on marriage. Jong-soo has already loved Seong-sil as a woman, not a teacher. What will be the future of this family...

Jae-hun, a stocking enthusiast, He shows interest in Bo-yeon's stockings, who moved to the next door. The two confirmed that they have similar tastes. One day, Jae-hun presented Bo-yeon with full body stockings. Bo-yeon, who appeared in front of Jae-hun wearing those stockings, Meanwhile, Jae-hun's wife Eun-mi meets Bo-yeon's husband, Cheol-woo. I realize that there is a unique fetish...