The Accident Man is back, and this time he must best the top assassins in the world to protect the ungrateful son of a mafia boss, save the life of his only friend and rekindle his relationship with his maniacal father figure.

In the fourth installment of the fighting franchise, Boyka is shooting for the big leagues when an accidental death in the ring makes him question everything he stands for. When he finds out the wife of the man he accidentally killed is in trouble, Boyka offers to fight in a series of impossible battles to free her from a life of servitude