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.

During World War 2 a group of brave US Airmen are downed in Nazi controlled Europe, after their aircraft is attacked by Nazi-controlled mythological Gargoyles.

A group of European explorers returning from China battle a pair of dragons sent by an evil wizard intent on keeping his land a secret.