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.

Sisters Ji-soo and Ji-yeong decided to sell their used underwear due to financial difficulties. Perverted men offer to buy them at a higher price by asking these two sisters for shots of them wearing the underwear. Other men offer to pay even higher prices by demanding sex out of greater desire. As the sisters earn more money than expected, their service becomes more and more popular.

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.

An erotic film about sexual intercourse between co-workers

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.

Jang-hyeok, a man Yoo-jin has a crush on, meets her at his mother's request, but he hates Yoo-jin. Yoo-jin knows that Jang-hyeok doesn't like her, so she asks her best friend, Si-nae, to meet Jang-hyeok. Si-nae and Jang-hyeok fall for each other and get married. However, Si-nae, who likes alcohol and men, enjoys an extramarital affair with Sang-min. On the other hand, Yoo-jin becomes unrecognizably pretty, and Jang-hyeok falls in love with her.

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...

Home visits by consumer electronics after-sales service technicians. Customers were fascinated by the passionate management of their products. That's how the temptation begins. Will visiting knights be able to escape the temptation?

A married woman had no choice but to move in with her in-laws' house after her husband's business went bankrupt. Her father-in-law, who has been widowed for a long time, feels his daughter-in-law is a woman, and the daughter-in-law begins to feel uncomfortable with him. This discomfort was not just a feeling, and eventually the father-in-law openly expresses his lust for her daughter-in-law and starts to touch her.