The plot revolves around two brothers who, by a twist of fate, become entangled in the ruthless world of gladiatorial fights. One of the heroes is a former law enforcement officer who has been unjustly branded a killer. His brother, whom he believed to have died in Vietnam, is drawn into illegal and merciless games where blood-chilling performances are staged for the amusement of the audience. Eventually, the two brothers meet in a final showdown where only one will survive.