When a middle aged salaryman is unknowingly used by drug traffickers he is dishonored and fires back at the Yakuza bosses, with destructive consequences.

Katiri is a reporter so ambitiously amoral that he’ll sell out anyone—including his partner and the drug dealer he’s sleeping with—to get a scoop. But what happens when an even more ruthless female gang boss kidnaps his sister?

Iron Zhao aka Steelhead, a truck repairman from China’s Northeast, and settles down as an illegal immigrant in Tokyo. After a series of run-ins with the Yakuza, he rises to power as the Don of Chinese illegal immigrants. However, things get out of control when he’s foolish enough to believe in clean getaways in a world that offers none, and soon comes to seal his own fate.