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...

Spring is being satisfied with her husband's kindness and devotion to her husband. One day, she is embarrassed by her sudden visit to Eun-a's college junior, but she doesn't want to be her husband's junior, but she takes care of her like a younger brother. Hee-dong finally got to have sex with Eun-a, and when she finds out, she runs out of the house in shock and despair, crying and makes a phone call. What is the end of the relationship?

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...

Soo-jin and Jeong-hee are university students who start looking for a high paying part time job during vacation. They end up in a room salon and fall for a high down payment. The owner notices how naive they are and tells them they have to go for second rounds if they want to make big money. Meanwhile, the ace host girl, Yoon-jeong, comes back after a hiatus due to being sick. These girls begin an ego battle for getting the most customers.

A young couple, Wan-jin and So-hee, are living with Wan-jin's single father, Seok-bong. Seok-bong was preying on his daughter-in-law, who was doing the housework and preparing meals for him while her husband was away at work. He pretended to have dementia and attacked her. So-hee, who was suffering from her shame, suggested to Wan-jin to hire his father a caregiver, saying that his father seemed to be suffering from dementia, and so Bok-ja, a sexy and voluptuous caregiver who was about Seok-bong's age, came in. Seok-bong is captivated by Bok-ja's passionate charm and soon begins to share his love with her, and in this way, she takes the place of Wan-jin's new mother.

Yoon Bong receives a breakup notice from his wife because of premature ejaculation. Yoon Bong's junior Hae-seong said that it was his special experience. Introduce them. A beauty salon that provides services with bikinis. Yun Bong finds his senses little by little there. With the efforts of Hyun-joo and Min-hee, Yun Bong cures premature ejaculation. So-yoon, his wife, is also happy to see Yoon Bong, who has returned as before.

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...