Kickboxing champ Rick Quinn decides to retire from the ring, but his main adversary, Denard, wants him to fight again and murders Quinn's wife. Quinn suspects Denard, but can't do anything. Three month later, Quinn is jailed after a drunken bar brawl; a rich man named Le Braque bails him out and asks him to fight for him.

Frank Morgan risked his life for his country in the Vietnam War, but when he came home, no hero's welcome awaited him; instead he was branded a traitor. Nonetheless, he's about to make one more trip into hell to save the woman he loves and preserve her war-torn country.