To avenge the brutal murder of his brother, Jake Ray journeys to the Philippines, where his search for truth finds him battling both in and out of the ring. But the weapons are always the same: bare fists, bare feet. And the rules never change: last man standing wins.

Alain Lefevre is a boxer paid by a Marseille mobster to take a dive. When he wins the fight he attempts to flee to America with the mobster's girlfriend Katrina. This plan fails and he seeks escape by joining the foreign legion. As part of the legion he tangles with abusive lieutenant Steinkampf and bonds with legionnaires Luther, Mackintosh and Rosetti.