The two of them were neighbors' cousins ​​next door and secretly enjoyed dating outside. Min-joon comes to Cha-rin's house after knowing that Cha-rin's husband has left the house. When they hear the sound of having sex next door to the ears of the two people who tasted the climax, and both spouses also know that they had an affair, they both resent.

Se-hee is a famous writer who gets her best-sellers by luring men into her basement, imprisoning them and having them write for her. Seung-ah is also a writer who envies Se-hee for being successful and gets her boyfriend Jong-suk to have Se-hee killed. Min-seok is always by Seung-ah’s side to support her until one day she asks him to kill Jong-suk for her...