Hyeon-goo, who has always wanted to try a threesome, proposes this to his girlfriend, Mi-na, but ends up fighting with her. When Seung-mo finds out about it, he goes to Mi-na's house instead of Hyeon-goo and comforts her.
Hyeon-goo, who has always wanted to try a threesome, proposes this to his girlfriend, Mi-na, but ends up fighting with her. When Seung-mo finds out about it, he goes to Mi-na's house instead of Hyeon-goo and comforts her.
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Jeong-min has a constant relationship with Mi-na, a man and woman on conditional terms, but he gets tired of her as she is gradually changing. He meets a new woman named Joo-hee under a new condition. Meanwhile, Mi-na spends a good time with her other boyfriend, Seong-mo. Then one day, Jeong-min hears the news that his friend Seong-mo has moved, so he goes to his housewarming party with Joo-hee and is surprised that Mi-na was also there.
Hyeon-ji quits her job and decides to start a business trip massage store where she can earn a lot of money. She makes a proposal to her friend Mi-na to join her business. At the same time, So-hee, who had a hard time working alone, decided to join the two and work together. Then one day, Seung-mo calls Hyeon-goo, who is looking for a new store, and says that there is a store that offers a 2-on-1 massage.
Nan-hee, who wants to enjoy her newlywed life, feels something wrong with her husband, Moo-yeong's body. No matter how much she tries to seduce him every night, Moo-yeong is unable to use his strength. One day, Nan-hee's high school classmate Yoo-na moves in next door. Nan-hee begins to heal Moo-yeong through Yoo-na's shocking suggestion.
Hyeon-goo introduces Seung-mo to the local area, probably feeling sorry for Seung-mo, who lives under his wife's nagging. However, Hyeon-goo's purpose is to divert Seung-mo's attention and meet Seung-mo's wife, So-hee. After spending time with different people, So-hee and Hyeon-goo's feelings change.
Kyeong-soo, an art dealer who specializes in painting, goes to evaluate the requested painting and accidentally damages it. Chang-in, the owner of the painting, suggests one thing from Kyung-soo, who was at a loss.
A man has an accident at work, and his boss asks his wife to have sex with him in order to free him from responsibility. One day, the man witnesses a scene where his wife has sex with his boss and decides to take revenge by doing the same to his boss' wife.