Sexy and bright friend's sister's special service! Whose service should I get tonight? My parents returned to farm and told Minwoo, who lives with her sisters Youngju and Sangmi. One day, my friend Jeongsu from college comes to play. I think it was good to come to see Sang-mi and Yeong-ju, who greet Jeong-su. Yeong-ju, who guided the city on holidays. When I came home and guided me, I tempted Jeongsu to repay him. Sang-mi saw that. Although she is still a virgin, she was interested in men. I like Jeongsu and decide to have sex with a man this opportunity. On the night when Jeongsu was sleeping, Sangmi secretly went into the room and lies next to him. After waking up, Sue seduces her to have sex. Sangmi didn't have good sex with men as much as she thought. Jeongsu is leaving after a few days later to be sent off by her friends' sisters...​

An earnest request from a friend who can't handle the girlfriend's sexual desire! Would you like to play with my girlfriend? Jinyoung, who lives in Tokyo in a rural area and sits in the house of his university friend, Unlike Jinyoung, who is a soloist, he has a relationship with two women. Two women from each other come to the house and have sex with each other. Jinyoung, who has endured because it is a mutual home, But I can’t stand the groaning that I hear every day. Carefully complains, but unexpectedly Rather, he asked Jinyoung for help. Actually, I came across two women, Miju and Soyoung, Both of them complain that their sexual desire is so strong that they are physically and mentally difficult now. The trade name asks Jinyoung to get one of them because he likes either. Indeed, who will Jinyoung choose between his friend's two girlfriends?

Won-il convinces Ji-na to make money through phone tube. The video of the two went viral, and Won-il picks an additional person. Hwa-jin and Yoo-na who started to work together like that visit Ji-na one day to receive a video and Kwang-soo run towards them...

Newly married couple Eun-mi and Seong-soo look ordinary, but they both have their own secrets. Eun-mi enjoys calling her boyfriend to her home while her husband is away on work and Sung-soo enjoys watching his wife have sex with other men through the CCTV in his house. Not being able to get over the excitement he feels by doing that, he tells his wife everything and suggests she has sex with another man again...

Jinhee, who became the wife of the professor in charge, moved to the professor's house. I secretly enjoy Something with Sangyoon, the second son of a professor who has been a fan since childhood. However, he was caught by his first son Sang-cheol. Jinhee's life falls into an irreversible hollow.

Hye-won, Hee-jung and Joo-hee are university alumni. Everyone is envious of Hyewon who got married first, Hyewon, who has no marital relationship, is more envious of her unmarried friends. Hee-jeong gives her friend Joo-hee, after being proved by Sekpa Min-woo. Hee-jung has an affair with her boss. Hyewon and Joohee discuss changing husband and lover to try. Joo-hee is flirting with Hye-won's husband. Hye-won is attracting Joo-hee's lover. Couples swapping each other and swapping. They break up, promising to meet again.

Woo-hyeon finally passes his college entrance exams and lives with his aunt, Mi-yeon, nearby. He sees her for the first time since he was young. She's not his real aunt, but she's younger than he thought. Then one night, Woo-hyeon peeks at Mi-yeon, who is pleasing herself. So begins the dangerous relationship...

So-ra, a woman who lives day by day meeting conditions. Hyeon-soo, a man obsessed with women's scent. Upon Hyeon-soo's suggestion to sponsor her, So-ra maintains a lover-like relationship with him. Sora and Hyeon-soo as couples seduce men for fun, enslave them, and then destroys families. Once, while seeing a happy couple in a chicken restaurant, So-ra felt jealous and wanted to break that happiness. So-ra and Hyeon-soo decide to seduce the husband and brings him to their guest house after several delivery exposures. In the end, the couples swap together with Seok and Hyeon-jin at a chicken restaurant. Can Sora's plan succeed to destroy ordinary couples?

Dongwon-Minho brothers living in one house. My brother Dong-won is watching a video at home without a girlfriend. She introduces a woman because her younger sister is sorry. That night, Dongwon's girlfriend support and introduce to her brother. Invites Jisu to the house and gathers for a drink. The night is getting deeper and drinking is. Suddenly Jisu kisses Minho, Let's seduce them and make love that day. The next day, Index and Ji-won come back to play. My older brother, Gim, who became a younger brother's lover. Sneaking into her sleeping room...

Jeong-hee goes home to take care of her sick mother. While Jeong-hee is gone, Yoon-soo convinces his father, Seok-jin, to call a housekeeper to do the chores while his mother his gone, and so comes Se-hee. Yoon-soo likes Se-hee and ends up sleeping with her. Seok-jin also ends up sleeping with her while receiving a massage from her.

Yoo-jeong, who was in a relationship with Hooni, has a problem. It's sex, For her, sex is always simply an act of uninteresting love. But after hearing the words hurt by her lover. In search of a secret tutor of sex, you will be born again from a sex beginner to a sex scene.

Bar examiner Yoo-jeong likes sex more than studying. Thanks to the secretive, but erotic tutoring by the teacher her boyfriend introduced to her, Yoo-jeong’s grades shoot up. Yoo-jeong’s mom, Mi-jin, however, feels attracted to her tutor and starts seducing him.

Mincheol and Suhee go to greet Minchul father (grandmother) before marriage. Dae - sik welcomes her daughter - in - law, Su - hee. But before marriage, Minchol and Suhee are separated by the difference in personality. Soon-hee, who was only preparing for marriage, is soon to live.