A young couple travels to a guest house run by another couple. The allure of this place is that it can arouse the sexual fantasy of new couples through swapping partners between the guest couple and the couple who runs it.

Seul-gi has a satisfactory life with her rich and caring husband. However, she feels she's lacking something and meets Seung-hwan to whom she is very much attracted to. Seung-hwan is a free spirited man and seduces Seul-gi. The two of them experience an exciting but dangerous relationship. However, her husband Jeong-ho finds out but he's willing to let it go as he knows he loves her but he hasn't been able to care for her much as he's been so busy. He gives her the chance to make a choice and the moment comes where she has to make the right decision...

The female lead remarried and went on a trip abroad with her husband. However, she encountered a thief, lost all her valuables, and ran out of electricity on her phone. When she arrived at the hotel she had booked, she found out that she had not made a successful reservation before. In times of adversity, she saw the truth. The remarried husband was a scumbag and quickly left the female lead to mix up with other women. The female lead also received the help of a kind-hearted man, whose goal was to obtain her body, The female protagonist who encounters two scumbag men is very helpless, and at this time of decline, may the appearance of an exotic man just be to deceive the female protagonist into bed

Min-wook has a crush on his roommate, Young-su's sister, Soo-jin. However, she plans to marry a man who meets the conditions for Su-jin soon. She hides her heart and wishes her sister happiness, but when she sees her divorced a few months later, her old feelings come back to life. Her divorced Su-jin stays with her brother's house for the time being, and Min-wook and Su-jin, who have been living in her house for the time being, are now trying to confirm their love for each other...?

Aeran and Hoseok are in a period of boredom. Jung-woo, a friend and disciple of her husband's nephew, enters the boarding house, and Ae-ran begins to feel lost in the appearance of young and handsome Jeong-woo. Ae-ran and Jung-woo finally have a hot night. The secret love affair continues without Hoseok's attention, and one day, when Jung-woo's girlfriend Hye-mi appears, the four people's strange relationship begins to come to light...

The man’s friend is about to inherit a large legacy from the family, but he has encountered a problem, that is, he can’t let his wife get pregnant. If the wife can’t conceive and conceive, the friend will lose the inheritance right. The distressed friend will try every means and use up all the The postures are all in vain, and in desperation, the friends can only go to beg the man and help him to let his wife get pregnant....