A man travels to the country to reside with a buddy, in a family in which the son, who is mentally ill, lives with his father and sister, who captures the man's heart. She is attacked one day, but the attacker is killed. Her brother confesses to the crime after her boyfriend is first charged with...Read more murder.
After spending his time in jail, the mentally ill Choi Yeong-jin comes home to discover that his father and sister are in debt. Despite his best efforts to aid them, he is found guilty of murder and faces an extended prison sentence.
After his release from jail, the mentally ill Choi Yeong-jin, comes home in an attempt to live a quiet life free from problems. His mental state starts to get better until he sees his sister being raped with his own eyes, at which point it deteriorates once again.