Gyeong-jun and Gyeong-joon promised marriage. The performance, where he didn't have a place to live, went into Gyeong-joon's house. While enjoying her newlyweds a little earlier, Gyeong-jun suddenly says that she has to leave for two months on a business trip. Playing with In-young and Nam-soo, who will become mother-in-law without a husband without even registering marriage, Thanks to Inyoung and Namsu, who treat me kindly, I live well, but as the days go by, I am getting tired of dissatisfaction with playing. With envy at the sex between In-young and Nam-soo, Feeling vulgar to Kyung Joon, who left himself alone In order to solve the desire, he searches for a man through the meeting site.

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 high school lesbians have their relationship tested when they take summer jobs at a resort town and meet various men.

Two young women, Minako and Naomi, have been friends and lovers since their school days, and are now living as roommates in the city, working together for a large company. Although she cares for Minako, Naomi decides that she should leave behind her past, find a husband and have kids. Minako, on the other hand, is happy with things as they are and doesn't want to change. The two must work out what they really want out of life, going their separate ways if need be.

The more stealthily you do, the more you are drawn into… Soo-yeon lives a dull and boring life daily because her husband is always busy with work and goes fishing when he is not working. One day, Soo-ji, one of her high school friends moves to the house next door. When Soo-yeon happens to watch sneakily Soo-ji and her husband Sang-min having sex, her desire becomes so strong that she becomes to have hard time trying to suppress it. Soo-yeon ends up having passionate sex with Sang-min one day when Soo-ji is away on a business trip. That night, as Soo-ji spots Soo-yeon and her husband getting out of a car together and her husband being sweet with her, Soo-ji becomes suspicious of an appropriate relationship between the two. Next day, when Soo-ji asks Soo-yeon to meet her outside, Soo-yeon reveals a shocking story to her.

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.

Sleeping with my wife is not like my heart, and the boss’s pressure at the company Seungbeom, who was having a hard life, accidentally enters Nainba A drink handed over by the bartender begins the incident. The woman lying next to Seungbeom who woke up the next day is a sister-in-law, not a wife? You will have a fantastic day just imagined with a glass of alcohol...​

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.

Jae-won, a competent husband at a stable workplace is enjoying his honeymoon with his wife. One day, he found a strange video through a USB. It contains his wife’s sex video, not with a man but with another woman. After seeing this, Jae-won suspects Ji-soo’s past life and invites Joo-hee, the other woman in the video to come over the weekend and find out the truth.

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.

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.

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.

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.

Minzhu ran a bar, but the business was so bad that she lost all her store deposit, and the landlord kept pressing for rent. Seeing this, Meizhen decided to develop an innovative spirit and began to provide special services in a bikini. Soon, the bar's Business is booming….

Young couple Mingu and Eugene. Because of her poor night job, Eugene has a romance for the object. One day, Min-gu meets his younger brother, Young-jun, at a local cafe, and invites Young-jun to the house. When Eugene asks the secret to Youngjun's wife who looks younger than her age, Miyeon says she is loved every night for her husband's big things. After that day, Eugene couldn't sleep with the thought of Yeong-jun's objective, Eventually, he blatantly seduces him...​

A company employee who went to deliver goods at his president's request secretly sees the president's wife masturbating out of loneliness and takes a video of it. She may be distressed when she is caught by her husband's employee, but she becomes more attached to a man who is more compatible with her than to a husband who is not interested in her, and she keeps thinking about that man.

Yoo-jeong got married due to difficulties in family circumstances even though she’s unwilling. Her hhusband Hyeon-sik who did his best is disappointed that Yoo-jeong did not open his heart, and cheated on him. Then one day, Hyeon-sik brought his mistress into the house.

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?