About

I Saw the Devil is a South Korean action thriller film written by Park Hoon-Jung and directed by Kim Jee-Woon. The film stars Lee Byung-hun and Choi Min-Sik and tells the story of NIS agent Kim Soo-Hyun, who seeks vengeance when his fiancée is brutally killed by psychotic serial murderer Jang Kyung-Chul.