Age 19 Rated Affair: A Secret That Can't Be Told

Sang-woo's daily life changes 180 degrees ever since his sister's friend Jeong-hee comes to live in their house. Everytime he sees her walking around the house with wet hair and wearing just a big T-shirt, he gets erotic thoughts. He dreams of having sex with her just once until one day, he does. However, since then, Jeong-hee can't forget the night with Sang-woo and how much better he was than her fiance and starts coming back to his room...

A fantasy erotic work in which a woman who appears in an adult video actually appears in front of various people who watch the video and fulfills their desires. Omori stops by a video rental store on his way home from work and casually picks up a video in a black package. When he plays it at home, it's just boring. Disappointed, Omori tries to turn off the video, but a woman calls out to him from inside the TV, saying, "Don't turn it off. I love you."

Thyssen, as well as a friend, is an "older sister" of two women, Su Min and So Ra, both decide to work first, as a result, do not have time for long - lasting relationships, which causes many sexual adventures and always that can meet - If to tell this adventures. So far, a man as one of the three interested, this would be the "ideal home" from then on each by itself ...

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.

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.

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.

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 man prepares a surprise for his wife on their 5-year-anniversary. One day, a couple, a man in the middle of a divorce and his mistress, come to visit. An entangled romantic web ensues.

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.

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.

Jong-hwan's friend's daughter Seong-hye moves into his house. She messes up the house and drinks with her friends and even has sex with men in the house. One day, Jong-hwan ends up comforting Seong-hye who broke up with her boyfriend. They spend more time together and become dependent on each other. Afterwards, they fall for each other more than they should...

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.

Jeong-hye and Ji-hwan are a couple who have been living a wandering life due to debt. Ji-hwan makes a secret deal with Man-soo, the new owner of their previous house. The couple can stay at Man-soo's house, but in exchange, Ji-hwan must have sex with Man-soo's wife, Tae-hee. Man-soo also ends up taunting Jeong-hye secretly, using her unemployed husband as bait. Later, Jeong-hye and Ji-hwan eventually find out that they have been secretly played by the couple and get frustrated. In the end, Man-soo and Tae-hee propose a new offer to the couple.

A man who loves pictures of Japanese women falls in love with one of the girls in his photos. He heads to Japan to find her and happens to stumble across her in the street. They begin to date and eventually he meets her mother, who is shocked to see the Korean man looks like her late husband in his youth. The widow is attracted to him, but he is attracted to her, too.

Seong-hee works at a hair salon for a while at the request of a friend. Her friend suggests that she can make a lot of money if she provides her sex services in addition. Seong-hee, who was hesitant at first, can't control her boiling lust regarding sex with men she doesn't know...

Min-gyu, Soo-yeon, Young-suk, Wisdom, and Cho-hye go to a three-room pension. Solo Cho Hye-man sleeps in the attic room of Fumijin, and the rest of the friends are couples, so they are assigned a good room. Cho-hye, who is full of heartache, suddenly falls asleep in the attic and has a strangely vivid dream. In a dream, she has a hot sex with friend Suyeon's lover Minkyu. The next day, Cho-hye, who had been in a troubled mind, comes to the attic with another friend Wisdom sleeping. And while they're sleeping while chatting, Min-gyu and three have the same dream of having sex at the same time. And when they wake up, they sense that there is something weird in the attic ...

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.

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.

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.