Cha Myung-Hoon

While a couple is enjoying morning sex, the husband urgently gets a call to go to work, and the wife masturbates alone out of disappointment at not being able to finish relieving herself. At that moment, another sex partner comes to her house. When the husband suddenly returns home, the two are having sex, and the sex partner hurriedly hides in her room.

Myeong-hoon usually likes to go to massage shops, where he can even have sex with the masseuse. Then one day, her younger brother introduced him to the woman he would marry, and the woman who would become his sister-in-law was the masseuse he met recently at a massage shop! Myeong-hoon makes a secret proposal to the embarrassed woman, and she accepts it for the sake of her smooth married life, and their dangerous relationship begins.

Seung-hee lost her parents when she was young and is raised by Joon-seok's father. Years pass and Joon-seok and Seung-hee get married and become a couple. Realizing that he married out of familiarity, Joon-seok meets a new woman. Seung-hee knows that Joon-seok is cheating on her, but she doesn't want to see Joon-seok and her lover happy with each other, so she persists. Seung-hee, who was somber, became acquainted with a photographer she met by chance. The two spend happy days, and Seung-hee decides to divorce him.

Joo Seung-gi and Yoo Ah-rin desperately have sex several times a day to have children, but they were not pregnant, so they were tested, and the result of the test was Seung-gi's infertility. After much consideration, Seung-gi asks his fiery friend Yoon-woo to have a relationship with Ah-rin, and after persistent persuasion, Ah-rin and Yoon-woo have a relationship. Afterwards, Seung-gi began to doubt the relationship between Yoon-woo and Ah-rin...

Manager Jeong falls in love at first sight with the president's wife who came to deliver the goods to the company. Bo-yeong takes her on a phonetic basis to make her her own woman, and after that, Bo-yeong begins to cross the river that she can't escape.

Seong-ae, who was innocent as a child, had her first relationship with Geon-woo, who was a jobless gangster in the neighborhood. Seong-ae, who was curious, opened her eyes to sex after having a relationship with her brother. As an adult, Seong-ae looks ordinary and plain on the outside, but perhaps because of her experience with her first man, her sex has become rougher since then. During her school days, she was tricked by her best friend, Yoo-ri, into stealing Geon-woo, and eventually, the two are now married. However, Geon-woo still meets Seong-ae from time to time secretly without Yoo-ri's knowledge and enjoys sex. Meanwhile, Yoo-ri also enjoys secret sex without her husband's knowledge with Myeong-jin, a junior at Geon-woo's company. Later on, Yoo-ri becomes tired of Myeong-jin, introduces him to Seong-ae as patronage, and tells them to enjoy sex. Seong-ae, who knows but is deceived, begins to expose the relationship between Gun-woo and Yoo-ri to the world.

Yeong-tak and Ha-na are stepsiblings who live with the support of their divorced adoptive parents. The two begin taking individual private lessons for their respective careers. Yeong-tak secretly gives his acting teacher Na-ri sleeping pills to covet her body, while Ha-na is busy seducing her physical education teacher Han-cheol. Meanwhile, Na-ri and Han-cheol run into each other at the stepsiblings' house, fall in love at first sight, and seek revenge on the two who offended them.

Two women, Hae-na and Hee-na, prey on men under the pretense of marriage. One of these men is a doctor who falls for Hae-na and showers her with luxury gifts, but that's all he does. She can hardly get in touch physically with him. Meanwhile, Hae-na meets Ji-hoon, her former lover, again by chance, but after finding out about his relationship with Hee-na, the three decide to pursue money rather than love and start working for the men around them.

A female college student is masturbating by imagining many things while watching a movie: imagining sex between a sister-in-law and her brother-in-law, imagining sex between a daughter-in-law and her father-in-law, etc. While she was masturbating, she moaned loudly and was caught by her stepbrother. The woman's body gets hot and cannot hold it, so she seduces her stepbrother.

Kang Ji-yeong runs a shared office. Under her, regular VIP Kim Gi-baek, writer Yang Kyeong-mi, and business planner Min Jeong-gyoo enter the office one after another. Boss Ji-yeong feels that Gi-baek and Min-gyoo are turning their attention to Kyeong-mi. Out of jealousy, she decides to corrupt Kyeong-mi and kick her out of her shared office. However, Kyeong-mi is secretly attracted to her female boss and starts working on a script about it.