The story follows a trio of Japanese youths of Chinese descent who escape their semi-rural upbringing and relocate to Shinjuku, Tokyo, where they befriend a troubled Shanghai prostitute and fall foul of a local crime syndicate. Like many of Miike's works, the film examines the underbelly of respectable Japanese society and the problems of assimilation faced by non-ethnically Japanese people in Japan.
Homer is an orphan who was never adopted, becoming the favorite of orphanage director Dr. Larch. Dr. Larch imparts his full medical knowledge on Homer, who becomes a skilled, albeit unlicensed, physician.
Thomas A. Anderson is a man living two lives. By day he is an average computer programmer and by night a malevolent hacker known as Neo, who finds himself targeted by the police when he is contacted by Morpheus, a legendary computer hacker, who reveals the shocking truth about our reality.