The year is 1955. An agent in a balloon trespasses the West frontier, immediately afterwards shoots dead the driver of a lorry awaiting him in the woods, and takes to flight. The body ...
Kim Jong-won, a communist operative in South Korea, turns himself in and assists the Special Investigation Unit to bring the other members of his organization to trial.
Forced by her father into keeping a doll that she knows is filled with drugs, Mi-yeon secretly goes to the police for aid. She soon requires their protection as the drug dealers learn the location of their missing stash.
A police detective is barred from a case because of his poor reputation among his superiors. He begins his own investigation into the death of a narcotics officer.