Ji-hyeon, who fell lonely because her husband went on a business trip, calls her husband's friend and calls her. Ji-seong approaches Ji-hyeon, who was drinking alone, and comforts her. In fact, Ji-seong, who wants to sleep with Ji-hyeon, slowly seduces her and takes her to bed.
Part true-story, part-parody of comedian Ryûsuke Matsumoto's life where he encounters college girls, office ladies, and waitresses.
An old married couple with bedroom problems become upset over the sexual antics of their daughter and a visiting randy couple. But then the part-time lovers of the couple show up and complications ensue.
Writer Park lives by writing day by day. One day, he stumbles upon a woman, Hae-joo, who collapsed on the street while taking a walk in the early morning. Hae-joo asks Park to take her home, saying she needs a place to rest. He kindly gives up his studio for a stranger. He begins his secret and cheeky story.
Jin-woo sees Seo-yeon and Dong-hyeon together and makes fun of the two. Annoyed with Jin-woo's jokes, Seo-yeon leaves but Dong-hyeon bit Jin-woo's words and misunderstands Seo-yeon's liking for him. Jin-woo starts teasing Dong-hyeon excitedly. Dong-hyeon who is clueless about anything is excited about his relationship with Seo-yeon.
So-ri a lyricist wearing large headphones, visits the same space every day. The anticipation that her first love Jin who disappeared long ago after the accident, will return again. So-ri's wishes become reality. Jin is back again. So-ri and Jin hide their secrets about each other and start a deep relationship that they couldn't even imagine before.
Seo-yeon is running a boarding house. She has a habit of changing men every quarter. Yeong-cheol, who was recently brought to the house is cute, but he tends to be clingy in relationships which makes her feel a little uncomfortable. When Yeong-cheol is away from home, he calls Min-soo to his house. Min-soo provokes Yeong-cheol when he knows how Seo-yeon feels. But Seo-yeon's mind is different... Who will win Seo-yeon's heart?
Shirasaki is a physical education teacher who is also popular with female students. However, Shirasaki also had worries that he could not tell anyone about. It was his fiancé Kuniko's cleanliness. Still, Shirasaki tries not to disappoint her expectations for him. Even when Yuki, a female student who has a crush on Shirasaki, suddenly approaches Shirasaki in an attempt to attract his attention, he never crosses the line. However, one night, as he walks in the same direction as a woman who got off the bus, he is mistaken for another man and Shirasaki's life begins to take a turn for the worse.
Project to change the lover’s lover “Can you afford it?” Underground and Sungmin are long-time couple living together. Unlike the subterranean basement, Sungmin is not able to exert his talent as a writer and gets stressed. Jee-geuk makes another boyfriend called Gyu-gyu who is underground, who is disappointed with his boyfriend.
The film depicts the daughter of a concubine of a political and business mastermind who is involved in a corruption scandal, and a woman who controls a prostitution ring.