After 10 years in the prison on behalf of his boss, Su-hyuk is released, but the boss doubts his loyalty. When Su-hyuk visits his long-abandoned girlfriend, he finds out that he, now, is a father of young girl. He wants to cut ties with the gang, but the boss is not ready to release him, and hires a notorious killer. The killer takes the daughter as hostage, and Su-hyuk decides to take revenge in a way that he's best at; a violence.