Seon-woo and Eun-gyeol, two old friends who grew up together since their snoring days, live together with their wives even after marriage. As time goes by, the two begin to lose interest in their relationships with their wives, Ga-hee and Jeong-eun, and decide to try swapping. After swapping, Seon-woo and Eun-gyeol's friendship begins to crack, and they start to covet each other's wives at will. In the end, Ga-hee and Jeong-eun leave their husbands.

Ga-yeon is tired of her kind and innocent husband, Shin-woo, so she has an affair with adulterous man Dae-ho. As soon as Shin-woo goes on an overseas business trip, Ga-yeon calls Dae-ho home and lets him disguise himself as a robber and have sex with him. However, Shin-woo suddenly returns home and witnesses the affair. He suffered from guilt when his wife had sex with another man in front of him. In the end, Ga-yeon leaves home, and Shin-woo, who thought he would have a hard time without her, is rather happy.

Eun-ji and Shin-ae are lesbian lovers. However, Eun-ji is forced to marry Jae-seong due to her parents' torches. Due to Jae-seong's severe paranoia, he suspected his wife Eun-ji, who is unhappy with their marriage, of her relationship with Ho-jeong, Shin-ae's senior, who lived next door. With the help of Shin-ae, Eun-ji divorces Jae-seong, and Shin-ae approaches him for Eun-ji's revenge.

Eight men and women unpacked in a group dormitory to find partners. A fierce game of wits is played out to find a delicious partner. Who will be the one to win the best taste?

Eight men and women flocked to a pension and gathered to appear on a blind date entertainment program. They gather at the pension for four days and start dating different people to find the right match for each other. They are called No. 1, No. 2, No. 3, and No. 4 rather than their actual names, and they go on dates to find the right match for each other.

Two male employees, who are curious about the sexual taste of their female boss, who is the CEO of the company and is famous for being cool-headed and unprincipled, make a bet that the person who sleeps first with her wins, but they end up falling in love with their boss. The male lead participates in the bet to win, but then falls in love.

As always, the sun rises, and the cast members who experienced boredom from their previous partners the night before look for their new partner. They share food prepared by the production team, explore each other's sexual preferences, and begin sexual intercourse in earnest.

A female internet novel author falls under a spell once a month that transforms her into a man! Her boyfriend has tried everything, but it's no use, and the only way is to ejaculate! She becomes more and more exhausted due to her rapid hormonal changes, and her boyfriend, who had been helping her, also begins to get tired of her. At the end, she decides to try her last resort.