Suspicious Practice Room: Special Treatment of Mother's Friend

Yeonghwan is a complicated flirt with a woman who enjoys living with countless women! But he is not a divorced person. I'm not happy even with my married Hye-mi... Thanks to her handsome looks, I easily enjoy it with women. Neither does he deny an upcoming woman and does not catch a woman who hates it. Then, Young-hwan loves Hye-mi, who has approached her like fate, and decides to organize all the women. So, when he meets grace, Young-hwan... When he asks to break up, he says he can't. The grace of having sex outdoors. I'm a man, so I'm excited. When she asked to break up with Eunsol, the second woman, she also cried and hung... Young-hwan was having a happy time with Hye-mi in a busy space. The grace that the doorbell rang and came suddenly. When she asks Hye-mi, Yeong-hwan's wife, whether she can live with her for a week, she is a friend of Yeong-hwan, and she gives her permission. Then the three mysterious cohabitations begin...

The first story of a former detective and current private inspector. Hye-sook and Yoo-jin are a lesbian couple that love each other. One day, Hye-sook finds out Yoo-jin is seeing another man and warns the man to stay away.However, the man ends up threatening her for her life. Hye-sook wants Yoo-jin back so she seeks a private eye, but a few days later, she goes off grid. The private suspects she’s been kidnapped and finds Yoo-jin to find out the whereabouts of Hye-sook.

Min-hwan, who lives with his brother, was lovers with his youngest sister-in-law. The sex continued even after she married his brother. Eun-hye, who is seeing elder men behind her boyfriend’s back, goes to Min-hwan’s house one day, and is surprised to see Min-hwan’s brother. The elder man she’s meeting in Min-hwan’s brother.

A woman frustrated by her fiancé's reluctance for premarital sex sends her on a round of boozing and remembrances of bad sexual encounters. Meanwhile someone is drugging young men late at night and doing unspeakable things to them.

A female college student upstairs who likes big things! Instead of her boyfriend, she became more addicted to sex with the owner downstairs.

Sung-chan and Soo-jin used to date. Soo-jin was expecting quality time together until he comes home drunk. A few years later, they break up and Soo-jin appears in front of Sung-chan who is about to marry Yoo-ri. Sung-chan and Soo-jin still like each other and they both desire each other. Will Sung-chan be happily married?

Sin-wook and Dong-soo have been friends since they were kids. Sin-wook and his wife swap partners with Dong-soo and his wife. They start playing Strip Go Stop and the game gets serious. The four of them have sex, but they end up falling for each others' wives and husbands and even meet in secret. One day, when their sex life reaches its peak, Sin-wook's wife, Yeon-hee, gets pregnant, not knowing whose baby it is. Her relationship with Sin-wook is on thin ice and then the baby is born. They do a DNA test to find out who the father is.

Seon-yeong's husband suddenly loses his job, so a friend introduces her to a sexy substitute driving gig. She hesitates, but decides to do it when she hears it makes more money than an average sub-driver. Then one day, Seon-yeong meets Dong-hoon, the guy next door, while on the job and they have an affair.

A woman runs a “mistress service” and interviews young women for “dates” with men. Various couples get together but someone is following and watching them.

Min-ji is an ordinary housewife with a dark secret. Unlike the wishes of her husband, In-gyu, who has a business running resorts, they don't have a child yet. They've tried test tubes and home remedies, but nothing has worked. Her husband and her in-laws finally decide to get a surrogate mother, and Min-ji has no choice but to agree to it, as she is worn out from their pressure. Hometown friend Jeong-ah comes knocking on the door. Min-ji is uneasy with Jeong-ah around, as she knows her past secrets, including the time she lived with someone else and had an abortion. On the other hand, In-gyu has completely fallen for bold and sexy Jeong-ah. Like a crow that nests in another's nest, Jeong-ah takes over Min-ji's place slowly and gradually. Min-ji is driven into a corner, so she meets Jeong-ah's husband, Joo-sik, to stop her. However, she falls for his trap and is used to replace his wife who ran away from home.

Lonely boarding house women! Any man who goes in there can't come out in one piece! Boarding house owner Hyeon-jeong and tenants Seon-mi and Joo-hee have a rule; boyfriends are allowed to visit, but they can't sleep together! One day, Joo-hee brings in her boyfriend, Jeong-sik, and they secretly spend a hot night together. The next morning, Jeong-sik tries to leave quietly, but gets caught by Hyeon-jeong. She tells him that he broke the rules and he needs to be punished, so she comes on to him.

Third time repeater Sang-goo needs special tutoring for his upcoming college entrance test. His father puts his son away in a pension together with a beautiful female teacher in hopes of motivating him.