This film is based on events in the life of Frank Dux (Jean-Claude Van Damme), an American who sought to become the champion of a secret, dangerous martial arts contest called Kumite. While Dux searches through the streets of Hong Kong for the underground arena where the event is being held, he must outfox U.S. agents who want him to work for the government instead of entering the competition. The exciting climax of the film is the Kumite itself, when Dux faces the imposing, undefeated Chong Li--who's not above cheating....