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.

Tae-hoon and Mi-jung are both eighteen and in love. During winter break they go to the beach to celebrate their 100 days together as a couple. But once they come back from their trip, they are forced by their parents to never see each other until they become college students. Mi-jung begins to avoid Tae-hoon afterwards. And Tae-hoon begins to wander around Mi-jung. Winter turns to spring, and Tae-hoon and Mi-jung both turn nineteen.