Driven by vengeance, Soo-hyeon takes a leave from work. Using his elite training, he tracks down Jang. But instead of killing him immediately, Soo-hyeon beats him nearly to death, then inserts a tiny tracking device into Jang’s ear canal. He releases him.
Kim Soo-hyeon is a top secret agent in South Korea’s National Intelligence Service. His life shatters when his pregnant fiancée, Joo-yeon, is brutally murdered by a sadistic serial killer named Jang Kyung-chul. Joo-yeon’s body is found dismembered in a ditch. fylm I Saw the Devil 2010 mtrjm awn layn - fasl alany
This begins a savage cat-and-mouse game: Soo-hyeon hunts Jang repeatedly, each time inflicting horrific injuries, then lets him go again—hoping to make Jang suffer prolonged fear and pain, not just die quickly. Driven by vengeance, Soo-hyeon takes a leave from work