Kurt Sloane is the younger brother of Eric Sloane, the United States kickboxing world champion. After another successful title defense, Eric is enticed by the media to compete in Thailand, where kickboxing was started, to further establish his legacy. Eric and Kurt travel to Bangkok to fight Tong Po, Thailand's undefeated top fighter. Eric is supremely confident but Kurt is apprehensive, particularly after witnessing Tong Po kicking a concrete pillar to prepare for the fight. Kurt begs his brother not to fight, but Eric dismisses any concerns.