Michael “Duffy” Duffield is a former soldier. He constantly moves from one place to another without having a permanent roof over his head. One day he meets a former prisoner, Max Beaumer, who invites him to earn money in clandestine combat. After winning a large amount of money, the men travel to Los Angeles: Duffy-to redeem his past, Max-to pay off the debt to crime boss Sage Parker. Duffy decides to participate in Sage’s underground battles, however, this immediately draws his attention, and the man becomes embroiled in a deadly criminal world from which it will be extremely difficult to get out.