Kyung-Chul is a dangerous psychopath who kills for pleasure. Soo-Hyun, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
... View More
Watch I Saw the Devil in United States. Just click the "Get Access" button below to start streaming now!