Chi Soo is struggling to survive medical school life due to his family situation. In his school days, Chi Soo lived in his old friend Song Eun Cheol's house, but naturally became close to Song Eun Soo, Eun Chul's younger sister, and they got married. However, love too is brief... In his second year of marriage Chi Soo experiences a period of ennui, and meets Monica Jeong (Jeong Soo Hee). Monica Jeong impersonated herself as an international lawyer in the United States and came to Korea, and introduced herself as the only child of a wealthy family.

Jini feels skeptical about her familiar life. A life you want to run away from. She has a crush on the newly entered boxer Doosan and asks to leave the place together. Doosan decides to stay there, contrary to Jini’s wishes. By the way…

Seon-kyeon lives and works in a secluded and isolated guesthouse, where he rarely sees any guests except for visits from his girlfriend Yoo-min, who comes to play. One day, something suspicious and strange starts happening in this lonely pension. A pair of male and female virgin ghosts, a twin who lived in the house and both of whom died without ever experiencing sex, declare war on the couple by possessing their bodies. They have one wish: to be satisfied with an excess of sex to resolve the bitterness of their deaths, so they can finally leave the house without any regrets. To fulfill this, Seon-kyeon endures extreme, intense sex with the female ghost, burning with passion day and night. On the other hand, Yoo-min starts losing her mind after a physical encounter with the male ghost and tells her boyfriend that they should leave, but he is already ensnared by the female ghost's lustful possession.

Seokbong and Yuna are a married couple. Hyemin and Jisoo live next door to them. Unlike Seokbong and Yuna, who lead an exemplary family life, Hyemin and Jisoo are a free-spirited couple. However, in fact, Seokbong and Yuna are a sexless couple who cannot open up to each other and are suffering. One day, Hyemin notices Yuna's loneliness and attacks her, and Jisoo also finds out about it, and the free-spirited couple decides to help the couple. Seokbong and Yuna, who receive their coaching, return to being a harmonious family. As time passes and the couple becomes bored again, they ask the couple for help again...

Hyeon-joon, who was rejected by his ex-girlfriend because he couldn't kiss, met his new friend, Seon-jeong, and after hearing advice from Seon-jeong, Hyeon-joon leaves in search of a kiss teacher.

The office adjusted working hours due to COVID-19. Representative Jeong-yeon instructs her subordinate, Ho-soo, to install CCTVs to monitor other employees. Na-eun and Yeong-tae work the night shift. He's acting deviant, not knowing there's a CCTV in place...!

Min-ji has had a crush on her brother-in-law who was her tutor for a long time. She seduces his brother-in-law, Jeong-hyeok, but he doesn't easily fall for it, so she takes special measures.

Seung-hye moves to a new house that she has been looking forward to so much with her junior, Na-yeong, but is swindled by a double contract and moves in with a strange man, Soo-cheol, and his senior Hyeon-joon. Armed with powerful male hatred, Seung-hye distanced herself from the men even by dividing the house in half, but her junior, Na-yeong, falls into the hands of Hyeon-joon, a wolf dressed in sheep's clothing. Seung-hye hates men's genitals because male hatred is deeply ingrained in her brain. To this Seung-hye, she suddenly witnessed Soo-cheol's genitals. She tries to forget it, but the penis stuck in her mind and she can't unsee. She concludes that Soo-cheol "fooled her into liking sex" and treats Soo-cheol as a rapist.