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.
Ji-cheol is a job seeker who only plays and eats, and is the boyfriend of Eun-je who runs a small store. Meanwhile, Joong-hoo, a hikikumori, became a regular after accidentally seeing Eun-je in the store. She is mistaking her kindness for her affection for herself. Joong-hoo started stalking her SNS every day. In the end, after approaching Eun-je with an innocent face, he succeeds in locking up Eun-je. As Eun-je disappears and the money supply is cut off, Ji-cheol is eager to find Eun-je. Ji-cheol, who is sad about money rather than worrying about Eun-je's safety, tries to lure Mi-seon out of her pocket money. Eun-je, who saw the scene of these two people's affair through a hidden camera, disarms Joong-hoo while drinking with him, thinking that she should somehow get out of there. Eun-je eventually escapes. Feeling empty without Eun-je, Joong-hu confines Mi-Seon, who ignored him. Three months later, someone came to Joong-hu's house and then…
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.
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.
A twisted tale of two sisters struggling to overcome their extreme sexual desires.
A couple arrive by boat to a small fishing village where women dive for seafood. He is returning from a trip and he brings his latest girlfriend, a former hostess, with him. This causes jealousy with a local diver, a woman he had relationship with before he left. Meanwhile the other female divers find ways to satisfy themselves after a hard days work.
So-hee is a young wife who relieves her husband, who is crippled from the waist down, every night with her own hands. However, she feels lonely every night. One day, after she satisfied her husband's needs, her husband caught her masturbating without him knowing. Seeing that his wife is unable to satisfy her lust because of his disability, he makes an unexpected proposal.
A secret 2-on-2 group sex between young, sexy female college students and the pension owners. "I'll pay you back with my body instead of money!"
Mi-hyeon's newlywed life was normal until her husband, Ki-hyeon, got into an accident. Her body and mind are ruined as she takes care of her crippled husband. While struggling with the hardships of her life, Mi-hyeon takes in a young man as a boarder with the introduction of her friend, and a deviation that Mi-hyeon never had before begins.
Min-ji is sick and tired of her boring housewife life and unhappy marital relationship. Her friend Hye-jeong lives the exact opposite. She envies Hye-jeong like that. Min-ji who is frustrated with her desires, starts to notice Sang-soo, Hye-jeong's husband. Min-ji approaches Sang-soo while Hye-jeong is not at home, and Sang-soo starts to worry about Min-ji. Will the two men and women be able to enjoy the secret meeting without getting caught by their husbands and wives?
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.
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.
Daughter Soo-hyeon is living a fun life with her mother Eun-mi. Then suddenly, a strange thing happens to mother Eun-mi and daughter Soo-hyeon, whose bodies changed. The two are forced to play the role of mother and daughter. Then, when the mother and the daughter have sex with each other's partners, they try to have more intimate and stimulating sex.
Yoo-ra succeeded in finding a job after a difficult time. Despite her stunning beauty, her family's financial situation is difficult. Her male assistant manager knows of her difficult situation, so he asks for her body with money as bait. On the other hand, Hye-seon, the female manager of the same company, seduces the handsome new employee, Min-soo. Employees enjoy the world of animals in the workplace without knowing each other.
MZ-generation sisters Hee-jeong and Eun-jeong use an app to find a personal PT teacher to help them lose weight. Both sisters fall in love with their teacher, Ji-hoon, at first sight. The two sisters compete with each other to seduce Ji-hoon to take over.
Min-joon and Eun-seo are newlyweds who have been married for a month. Min-joon's younger brother suddenly returns from the United States and comes to live with the couple. Eun-seo falls in love with her handsome, muscular brother-in-law, so much so that she secretly masturbates and cannot sleep at night because of her desire to have her brother-in-law.
Joon-yeon and So-hyeon are living together with Joon-yeon's young and pretty mother-in-law for a while after his father-in-law remarries. One day, Joon-yeon is left home alone with his mother-in-law due to So-hyeon and her father-in-law's sudden business trip. The mother-in-law seduces her handsome son-in-law on a hot night. Unable to forget the sex he had with his mother-in-law, Joon-yeon even plans to have a threesome with his wife and his mother-in-law.
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.
Dong-sik and Jeong-mi, a married couple who run a multi-level company, make a huge amount of money through fraud, where they trick their victims using romance scams. The couple recruited Mi-yeon and Won-woo for the job. Later, Dong-sik and Jeong-mi develop feelings for Mi-yeon and Won-woo as the couple gets tired of each other. They begin relationships with their recruits by buying their favor with money.
Hae-won is a wife who is pathologically obsessed with her husband. When her husband, In-seong, goes to work or is out of her sight, she constantly calls him and monitors his every move. One day, Hae-won invited her best friend, Song-joo, to their house to hang out, but she began to suspect that the relationship between Song-ju and In-seong was strange, and ends up threatening her best friend's life when she comes to clear up her misunderstanding.