The film asks a haunting question: Is it better to ally with a criminal to catch a monster, or to remain pure and lose the battle?
The film opens with a startling premise: a vicious serial killer, nicknamed "K" (Kim Sung-kyu), brutally attacks a gang boss, Jang Dong-su (Ma Dong-seok). Unlike typical victims, Jang survives—and he’s furious. Humiliated and hungry for revenge, Jang decides to hunt the killer himself. the gangster the cop the devil hdhub4u