Directed by Kim Jee-woon, I Saw the Devil (2010) is a masterclass in the revenge thriller genre. The film stars Lee Byung-hun as a secret agent whose fiancée is brutally murdered by a psychopathic serial killer, played by Choi Min-sik. What follows is a relentless, cat-and-mouse game where the lines between hero and monster blur into a visceral exploration of grief and vengeance. The Risks of Using Telegram Movie Links