Gorou Tatsumi, a burly undercover police officer at Shinjuku station, is approached by an unsuspecting hooker, and both of their lives take an unexpected turn. Soon, Tatsumi and the hooker fall in love, but a jealous former client of the girl disapproves. As tensions rise, Tatsumi becomes the victim of a vicious knife attack. Only the girl can identify the culprit—but how will she do it?
