Yeon-hee, who hasn't changed her hair and isn't ready for the first night, gives sex advice to her friend over the phone and calls her boyfriend over to have sex. Unlike the first time, he is overflowing with libido and visits her office to have sex. Ji-ho is worried about her girlfriend. Although they are friends, Chae-ah and Seon-woo end up having sex after drinking during the day. Different sex stories of 4 couples.

Yoon-jeong and Hyeon-goo are about to get married. The two live with Hyeon-goo's father, Seok-jin, until they find a house for their newlyweds. While Seok-jin is having a good time with her girlfriend Joo-ra and living her daily life, seeing Yoon-jeong gives him a different feeling, and Joo-ra and Hyeon-goo are having an affair without Seok-jin and Yoon-jeong secretly. Then one day... while drinking, Seok-jin hears about Yoon-jeong's family situation, and he tells her that he can help.

Mi-jin, who is starting a married life that marks a new start, has one concern. She says that she has no sex drive herself. Mi-jin finds massage with the help of her friend. That day she discovers that she is also full of libido.

Three married women had always been dissatisfied sexually with their husbands, and Hyoji, who recently divorced due to her husband's erectile dysfunction. They gathered after a long time and had a drink complaining to each other, and they received a business card from an unidentified handsome man, saying, "Don't you want to play tteok pounding game?" The four of them head to the meeting place and meet suspicious agents who were waiting for them.

While looking for a job, Min-hee lands a position as a secretary in a detective's office. However, she doesn't have much work. While Min-hee is consulting her brother's love interest with her detective, a case has been assigned to her. The detective thinks it's just love counseling and gets caught up in a case while investigating why they broke up.

The couple, who are full of love, try their best to keep the relationship going, but it is not easy because of the mother-in-law between them. Even her wife is not enough to stop her mother. Searching for a solution, her husband decides to introduce a man to her mother-in-law...

So-yeon and Min-guk, married for 10 years. They don't have much sex, but that doesn't mean they don't love each other. So, I am receiving counseling and treatment. Min-guk doesn't kiss So-yeon... Min-guk, whose libido has fallen because of So-yeon, who says that the situation becomes ambiguous while trying to kiss, and ends up laughing, accidentally finds out about an escort, and Ming-guk, who is determined to try it, waits for her partner in a motel. After a while, I fall deeply into Haru, who has a strange charm.

My husband almost slept with his sister. Soon after, his brother-in-law, who keeps coming to mind leaves after realizing that he does not love his wife. And the older sister's husband, Jeong-wook, visits the sister-in-law in anger, but the sister-in-law also suffers from not accepting this situation. The two who flirted like that commit another affair, and Jeong-wook soon feels guilty.

Office colleagues left for a picnic through their old maid manager. However, their manager had a different goal in mind for the picnic. She takes advantage of the absence of the other employees to attack the male manager. At the gathering place, she gives a signal to achieve her goal once again, but her signal won't reach Kim Joo-im but goes to the male assistant...

A man has an accident at work, and his boss asks his wife to have sex with him in order to free him from responsibility. One day, the man witnesses a scene where his wife has sex with his boss and decides to take revenge by doing the same to his boss' wife.