The story follows Yoon Bum, a young mentally ill man with a difficult past. After becoming infatuated with Oh Sangwoo, a peer from his time in the
South Korean military who saved him from a rape attempt, he decides to break into Sangwoo's home while he is out. Eventually getting in, Bum finds a tied up and bruised woman in Sangwoo's basement. He is discovered by Sangwoo, who breaks his legs and keeps him captive, eventually trapping him in an abusive and manipulative relationship as he grows Stockholm Syndrome. ==Characters==