Steelhead is just actually a Chinese laborer that comes to Japan expecting to have a better life. Unable to locate bullied and honest work in the shadows with his Chinese immigrantsthat he finds himself as a dark market mob's manager. Steelhead's rise to mafia power spirals rapidly out of control since he has given reign over the lucrative and dangerous Shinjuku district after supplying your strong Yakuza crime boss with a service that is mortal.