On the Hokkaido frontier, a war veteran and Ainu girl race against misfits and military renegades to find treasure mapped out on tattooed outlaws.

Kaiko City is plagued with poverty and crime. When a corrupt businessman decides to run for mayor and starts eliminating opponents from the rival mafia, a former police captain serving time for murder is secretly released and put in charge of a special task force to arrest him.

A first-hand account of the Tokyo Metropolitan Police beat following Jake Adelstein, an American journalist who embeds himself into the Tokyo Vice police squad to reveal corruption. Based on Jake Adelstein’s non-fiction book of the same name.