Min-ji who just turned 20, lives on the street day by day, doing a part-time job she stumbled upon after running away because of a conflict with her stepfather. Then one day, Min-ji gets to know a newlywed couple, Mary and Soo-hyeok. The couple clothed Min-ji in warmth like no one else in the world, and as they took care of her in their different ways, Min-ji makes a statement of harsh determination.

One night after a busy work day, Min-ji, a shop manager in a department store mistook a man for sexual harassment and reported him to the police, when he only wanted to return her wallet. In the wake of this incident, the elementary school teacher Kyeong-ho, lost his life completely and is wiped out of his memories of Min-ji and of the world he's living in. Two years later as Min-ji prepares to marry her fiancé Hyeon-woo, she has been mysteriously kidnapped and the man said, "If you remember my name, I will return you back". Min-ji recalls him from the past, but cannot remember the name, Kyeong-ho, who was been demonized due to her carelessness. Min-ji tries to escape Kyeong-ho's cruelty which is getting worse as days went by. In the process of finding Min-ji, Hyeon-woo is shocked to learn about her promiscuous past. Can Min-ji escape Kyungho's grip and return safely to Hyeon-woo's arms?

Aspiring scenario writer Yeon-hee uses the nickname Pink Band to write R-rated scenarios. She's famous for her far-out work. Her ideas come from her best friend Joo-yeong's sex experience. However, Yeon-hee herself is a virgin, so she dreams of a romantic and ecstatic first sex that is unlike her scenarios.

Min-soo and Yoo-ri talk about marriage while they are on a date. Yoo-ri goes back home and tells Jeong-hee about marrying Min-soo but Jeong-hee is shocked as she has a crush on him. She has a drink with Sung-hoon and gets drunk telling him about the soon-to-be married couple. Sung-hoon who has a crush on Jeong-hee, has drunk sex with her. Jeong-hee is confused the next morning and runs into Min-soo who happens to be home. Jeong-hee realizes the fun about sex and slowly starts to be obsessed with Min-soo. Min-soo can't turn her down and Sung-hoon finds out...

A housewife who has presenile Alzheimer's feels romance with a young man. She has hot intercourse with him and not her husband who embraces her rachet sex life and holds her with dear love. She feels physical pleasure and delight during intercourse that she's never felt with her husband before! Her affair with the young man starts like that.

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...

Hyun-seop went to the Philippines to play. Being alone in a hotel at night is so boring that I call for a massage. After I got my massage, I searched my purse for calculation and found out. He thinks that he has stolen while he is in the bathroom and starts to pick it up. Hyunsik, who used to sing a karaoke assistant in Korea, Go to the motel with a helper. Suddenly, she suddenly started to swear and swear to Hyunsik, So surprised, Hyunsik becomes her sex slave.

Woman 1 (Black Girl) who is kidnapped to a basement by some men and Woman 2 (White Girl) are told that they'd be able to live if they aroused their kidnappers with some erotic stories. White Girl tells them about her cousin who is aroused by high heels but fails and Black Girl tells them about some female soldiers and male nurses who run away from an infectious virus but fails as well. Eventually, just as they're about to face death, White Girl starts cussing and the situation turns wary...

Seok-yeong has been living with his father ever since his parents got divorced when he was young. His father, Joong-nam, would always introduce his new girlfriends to Seok-yeong, but Seok-yeong didn't like running into strangers in his house. At the same time, Seok-yeong feels more comfortable with women older than him. One day, Joong-nam says he's going to marry his new girlfriend, Gyeo-won. At a family dinner, Seok-yeong feels attracted to Gyeo-won's sister, Gyeo-woon, but he has to call her 'aunt'

Sisters Ji-soo and Ji-yeong decided to sell their used underwear due to financial difficulties. Perverted men offer to buy them at a higher price by asking these two sisters for shots of them wearing the underwear. Other men offer to pay even higher prices by demanding sex out of greater desire. As the sisters earn more money than expected, their service becomes more and more popular.

Young-suk's father, Dae-sung, is the one who will soon become your stepmother and introduces Hitomi to Young-suk. Hitomi is a young lady of twenty-five who is two years younger than Youngsuk. Young-seok's younger and sexy stepmother Hitomi keeps beating more and more. Then one night, Hitomi comes into Youngsuk's room and takes off his pants...?! Dad begins a breathtaking double life with a Japanese mother you should never know.

I'm sick and tired of doing it with the same person! We've already seen everything; why don't we swap? Seon-joo and Jae-yong and Tae-gyun and Ga-hee are two married couples from the same university. They go on a trip together and get drunk and talk about the good times they had and the times they had sex with each other's husband or wife. At first, they felt jealous over this but from some point on, they dream of something exciting once again.