One might, on the east coast near the D.M.Z. Private KANG fearfully mistakes a drunken man having sex with his lover in the restricted military zone, and shoots him as a spy. Kang’s commanding officers award him a period of leave “for catching a spy” in order to escape responsibility for the civilian death. When Kang confesses the truth to his girlfriend, she calls him a murderer. Returning to his unit, Kang displays increasingly violent behavior and is eventually discharged for medical reasons. After roaming around Seoul, He goes back to the military area where an ominous tension develops between Knag, who still believes himself to be serving in the army, and the people around him who criticize him for shooting a civilian. Meanwhile, having witnessed the gruesome death of her lever, Mi-young goes mad and mistakes random men around the military area of her lover. A bizarre intimacy develops between Mi-young and Kang.
(Source: http://www.koreanfilm.or.kr)