Summary: Tetsuo Tosu, an ordinary salaryman, discovers his daughter, Reika, has been physically abused by her boyfriend, Matori Nobuto. Trying to learn more about him, Tetsuo uncovers Matori's scheme to extort money from Reika's wealthy grandparents, and finds out that he is a member of a crime syndicate, with a history of murdering his former girlfriends. Filled with rage and fear at the thought of Reika...