Lee Seol-gu

Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, 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.

The story of three Korean outlaws in 1930s Manchuria and their dealings with the Japanese army and Chinese and Russian bandits. The Good (a bounty hunter), the Bad (a hitman), and the Weird (a thief) battle the army and the bandits in a race to use a treasure map to uncover the riches of legend.