Chae-young was invited to the housewarming party, meets her ex Jeong-yoon, who broke up a year ago. She tries to be cool, but it doesn't clear the air of awkwardness. It even gets worse by Jeong-yoon's new girlfriend joins the party. Chae-young seems so weird with Jeong-yoon's girlfriend and subtle atmosphere inside house... Who do you think ruined this housewarming party?
In an ordinary-looking house, live the owner couple, Se-kyung and Jung-sik, their daughter,Ma-ri, and Jin-seong who's new to society. The couple is on vacation, and Ma-ri and Jin-seong are alone in the house. One ordinary day, An Uninvited Guest called Soo-jeong comes along. She had a fight with her husband and had come to stay in her brother's house for a few days. However, one night Soo-jeong gets drunk and mistakes Jin-seong's room for hers. As a result, they end up sleeping together. Ma-ri sees Soo-jeong come out of Jin-seong's room, but suspects nothing else. Vegetarian Jin-seong craves sex and sleeps with Soo-jeong once again. However, Soo-jeong goes back to her husband, and Jin-seong can't help but feel lonely. Meanwhile, Ma-ri likes Jin-seong and seduces him to have sex with her, but she's outraged when he tells her he had sex with her aunt. This is the story of the ordinary but not so ordinary, secretive house.
Soo-hyeon and Hye-ji are sitting on a pile of debt thanks to their husband and father who ran away in the middle of the night. Tae-san the loan shark demands the money no matter what. He rapes the mother and daughter and requires them to join prostitution. They survive day by day selling themselves until one day, Tae-san suggests a way they can clean slate over one night and that is for the mother and daughter to have the most extreme sex with one man.
Mixed-up model and bar hostess Kotoko sleeps with her coworker Genki, but can't seem to let herself sleep with the guy she really likes.
What do we do at an MT? Min-hee and Min-soo used to date. Dong-hyeon and Ah-yeong drink with them the night before they go for the MT. Min-soo puts Min-hee to bed in a motel and Ah-yeong who had the hots for Min-soo, seduces him. They promise to keep it a secret but Min-hee finds out what they have been doing. However, Ah-yeong is a provocative one and decides to seduce Min-soo at the pension where all four of them are together...
The sister-in-law is young and attractive. She imagines having secret sex with her brother-in-law. The 23-year-old lives with her sister and her husband. She's witnessed them having sex once and now imagines her brother-in-law and his naked physical body. One day, she is introduced to a date by her brother-in-law. The date is himself. He planned on taking her out one day to cheer her up. She imagines having sex with him but she knows it's not possible and writes it down her on Bucket List. What will happen to her love for him?
Ji-seon is living with her sister and her husband after a divorce. Her sister Ji-yeong leaves for a work trip and Ji-seon is at home all alone with her brother-in-law. The two can't hide their sexual passion and they cross the line. Every time Ji-yeong leaves, the two enjoy risky sex...
The Busty Cops are back, and must prevent Finkel and Billy Viscious from winning an election by any means necessary.
A bar exam student and the tutor relieve each others' sexual passion and love
Mami runs a barber shop called The Pink Cut. The place is an immediate success, due mostly to super-short skirts. Recently, Akira, who is anxious about not finding a job, has started coming to her shop. Although he has a girlfriend, he is soon interested in Mami.
Ji-won is an erotic writer, but she has not had sex yet, so she cannot write realistically. Eun-sik and Seong-gook compete for their first sex under the pretext that Ji-won is a virgin for her work, and Seong-gook's plan goes up in smoke when his wife Hyeon-hee returns home. On the other hand, Hyeon-hee is curious about Eun-sik and approaches him because his previous job is adult learning and mastering. In this situation, will Ji-won be able to finish her first sex safely and write a huge masterpiece?
Having been hurt in the past, Mi-yeon has no interest in true love and only wants a physical relationship. This hurts the Cheol-jin, the man who loves her. He's an employee at Mi-yeon's company and tries to give her everything. And then there's Boh-ra's boyfriend Jung-min. Mi-yeon, Cheol-jin, Boh-ra, and Jung-min are four men and women whose intertwined relationships eventually makes wishes come true for Mi-yeon and Jung-min, as well as Boh-ra and Cheol-jin...
Sang-ho, a student who is not interested in studying and wants to take over his father's company and live comfortably, starts tutoring because of his father's anger. Sang-ho, who had little expectations, gradually falls into the secret class of his sexy tutor Hyeon-jeong. And a few days later, a younger, sexier tutor appears...
Jeong-goo is in a relationship with his son's girlfriend, Mi-hee. Mi-hee feels guilty and breaks up with Yeong-jin, and Yeong-jin who is struggling because of it, got in a relationship with Joo-eun. Yeong-jin's ex-wife, Yeon-ri meets Jeong-goo by chance and finds out about the whole thing, and Yeon-ri who was curious about Jeong-goo, sleeps with him...
The only younger brother, Tae Jin, is almost 30 years old and he has not been able to get rid of the fact that he's forever-alone and virgin. His older brother Gyeong Jin, who felt sorry for him, brought several women home with the help of his girlfriend Min Jung and introduced them to Tae Jin, but his blind date with them ended in failure due to Tae Jin's timid personality. But Min Jung had the last secret weapon, because Sun Yeong, a virginity killer and so called "juice-extractor" was waiting around the corner.
A reporter who's working on a special report visits a group of college girls who have bizarre jobs. The first girl has a job ‘reviewing sex toys'. Park Seon-mi uses sex toys herself and writes reviews about the pros and cons, as well as points for improvement. The second girl is a hair model for "hair-down-there". Ah-reum sometimes provides sex to the ‘hair designer', too. The third girl's job is giving sexual services to the handicapped. Seol-yeong finds value in the work she does as a White Hand, as they call it in Japan. The fourth girl, Eun-bit, is a private tutor's assistant, where she lets the lecturer touch her body in front of the students to show how a woman's body responds to different touches. The last and fifth girl is assistant to a urologist. She helps ejaculate semen, and she's very fond of her job. The reporter anticipates future college girls' jobs.
In a big house that suddenly opened, a boarding student is looking for someone to share money and loneliness with. A boarding student happened to come to Ga-yeong's house through a friend's introduction. However, the boarding school student, who naturally thought she was a woman, was an adult male, and Ga-yeong continues to be wary of Hyeon-min. However, as soon as she finds out that Hyeon-min is a good person, Ga-yeong seduces him. Meanwhile, Hyeon-min's friend Jeong-woo happens to visit Ga-yeong's house... and the sweet and bloody story unfolds between two friends with a woman between them.
Woo-seong, a freelance translator, relieves stress by having sex with his sex partner, Ji-yeong, whenever things get stuck at work. Ji-yeong provides Woo-seong with a new type of sex every time. One day, Woo-seong meets his college senior, Cheol-min, and is invited to come to his house. He learns there that his former lover, Hye-ran, is now his senior's wife. Woo-seong awkwardly calls Hye-ran her sister-in-law, and together with his current girlfriend, Mi-jin, the two couples drink and have a good time. The following day, Cheol-min leaves for work. That evening, Woo-seong and Hye-ran resolved a misunderstanding from their past and ended up having sex. However, they are caught by Mi-jin, so she decides to seduce Cheol-min as revenge. From that day on, the four met occasionally and enjoyed swapping partners.
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.
Troublemakers Mok-won, Ryu and Hak-moon are far from passing the state examinations. Three female students enter the school during a new spring term and the atmosphere changes. Then one day, Mok-won and Ryu are taken to around the back of the school and molested by an unknown woman. The three of them start an investigation.