Trapped inside an old mining complex, somewhere in the ruins of Chernobyl, a group of international mercenaries must band together to fight an army of mad men. 8 against 800, they just couldn't lose.

In post-WWII Tokyo, Japan's undefeated Boxing Champion trains for his upcoming bout against the American challenger. Pitted amongst political tensions, the fighters' parallel journeys will test the very limits of human spirit.

Chapman is an ex-marine in Brazil's slums, battling the yakuza outfit who attacked his sister and left her for dead.