Hee-jeong and his male colleague were locked up when the door is locked while they cleaning and organizing a warehouse. While they are still trapped, the male employee filmed her physiological phenomenon, and later used it as blackmail for him to covets Hee-jeong's body. He even demands 2-on-2 swapping with their other female colleague.

Scammers Jin-gyoo and Yoo-ri are planning to meet Jeong-mi and Ho-yeong, who run a pension in the suburbs. He takes the target and approaches the couple with a film director and actress concept. Jeong-mi becomes interested in the movie director, and Jin-gyoo encourages her to make tens of times more profit by investing in her film. When Jeong-mi and Ho-yeong hesitated, Yoo-ri, pretending to be an actress, seduced Ho-yeong and Jin-gyoo seduced Jeong-mi and eventually received investment.

An erotic film about sexual intercourse between co-workers

Se-hee is doing home training. Ji-eun, her roommate, introduces her to her boyfriend's best friend, Kang-hyeon, as her home trainer.

Three years after narrowly escaping the murderous clutches of her half-sister Simone, Monica is ready for a fresh start in Seattle as the host of the city’s #1 primetime investigative television program. With her best friend Bebe by her side and a new love interest, things are looking up for Monica. Secretly nursed back to health and suffering from amnesia, Simone is building a new life when she comes across Monica on TV and her memories come rushing back, leading to a fateful reunion between the sisters.

Madame has a new consignment of beauties, all prepped, well trained in lesbian pleasuring and ready to ship to another dominant mistress, and their value has just doubled in price.

High school classmates So-ra and Ha-neul go to a pension with their boyfriends Sang-woo and Si-hoo. On the first night at the pension, So-ra's drunk boyfriend Sang-woo enters the wrong room and ends up having sex with Ha-neul. Meanwhile, So-ra, who fell asleep first, wakes up, looks for Sang-woo, and hears the sound of the two having sex. Losing her temper in her revenge, So-ra seduces Ha-neul's boyfriend Si-hoo, who is also drunk and asleep in living room, and has sex with him as well.

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.

Heojin, who wants to swap, takes her husband, Wonjae, and goes to a pension with Nari and Taeho. Two couples swapping partners and enjoying swapping. Her husband Tae-ho, who was passive at first, rather enjoyed her after seeing him, but her heart is upset.

Arthur loses his fortune for staying with Linda, right as the two were preparing to adopt a child. As their marriage suffers, Arthur plans for a way to get his money back, but first he must sober up and get a real job.