Dong-gook, who is thinking of remarrying, introduces his stepmother Kyeong-sook to his son Jin-yeong. At the family gathering, Jin-yeong is surprised to see his stepmother's younger brother Hyeon-sook who was his one-night stand just a few days ago! Jin-yeong and his stepmother is lying down, drunk. Meanwhile, there is a strange atmosphere between Dong-gook and Hyeon-sook, who were drinking alone, and at that moment Jin-yeong's girlfriend Joo-yeon appears drunk.

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...

Tae-hee, can't live without her dead husband, and is living alone without being remarried. Her neighborhood friends, Yeong-ju and Cheol-min still feels sorry for her. However, Yeong-ju's son, Min-ho, secretly takes pictures of Tae-hee, admiring her. One day, Tae-hee and Yeong-ju goes to the grocery when she heads back home, after forgetting her cellphone in Yeong-ju's house. Just in time, Min-ho comes out of the shower and hugs Tae-hee...

Yeong-bin can’t get a job and his father, Jin-il, thinks he’s incompetent. Yeong-bin is seeing Min-jeong, the florist, but she feels distant from Yeong-bin, who dreams of going to Seoul one day. One day, Jin-il brings home Ye-won, whom he is going to get remarried with, and Yeong-bin is furious, because she is his ex-girlfriend who abandoned him. However, they find out there was a misunderstanding to their break-up and they develop feelings for each other once again. Meanwhile, Min-jeong feels more attracted to Jin-il, because he’s more dependable.

My son came to greet a father who lives in the countryside with a beautiful and beautiful Seoul woman. The son leaves the house for a while on a business trip and asks the father to marry the woman. Then, in an accident, his father hurt his hand and his behavior became uncomfortable. As the son's woman changes clothes, feeds her, washes her face, and even helps with the shower, Father and son woman enjoys passionate bathroom sex. The older brother and his wife come to the father's house, and the daughter-in-law with her impotence husband. You will witness the sex scene of a father-in-law and a new daughter-in-law. The daughter-in-law, who is lusted, enters the father-in-law's room and gives a sticky massage...

Jin Hee is a female urologist who runs a urology department with few patients. One day, a new nurse, Yeon-hee, comes in and works. However, she throws her her whole body in the treatment of patients with an unusual professional spirit. This fact is quickly rumored and patients flock in. Skilled female doctor Jin Hee also starts hot treatment to save the hospital...

Junhyuk tells her lover Younghee that she can’t have sex too much. Minsu introduces a woman who teaches sex to Junhyuk, who is sad. Junhyuk takes different sex classes from three women, and each day is reborn as a sex machine…