what is the movie i saw the devil about
I Saw the Devil I Saw the Devil (Hangul: 악마를 보았다; Hanja: 惡魔를 보았다; RR: Akmareul boatda) is a 2010 South Korean action[3] horror thriller film directed by Kim Jee-woon,[4] and written by Jee-woon and Park Hoon-jung. Starring Lee Byung-hun and Choi Min-sik, the film follows NIS agent Kim Soo-hyun (Byung-hun), who embarks on a quest of revenge when his fiancée is brutally murdered by a psychopathic murderer, Jang Kyung-chul (Min-sik). I Saw the Devil made its premiere in the United States at the 2011 Sundance Film Festival and had a limited U.S theatrical release.[5]