In Japanese-occupied Korea, three freedom fighters are assigned a mission to assassinate a genocidal military leader and his top collaborator. But the plan goes completely awry amidst double-crossings, counter-assassinations, and a shocking revelation about one of the assassins' past.

Detective Nam-soon goes undercover with her partner Detective Ahn to investigate the counterfeit money. She discovers that one loyal henchman, Sad Eyes, a beautiful swordsman with a pale, blank face, is related to the truth. Nam-soon and Sad Eyes confront each other in a series of duels and become confused between love and obligation to duty.

Detective Woo is on the trail of the mysterious gangster Sungmin, a master of disguise who always manages to elude his pursuers. Eventually, the cop tracks down and confronts the master-criminal in the suburbs of a coal-mining town.