Two radical biker gangs - one led by a king of racers, the other by a young pretender to the throne - set out to prove who the fastest riders on the scene are. When the gifted young rider, whose father was himself a former mechanic for the older rider but died following an accident, is prohibited from joining the Black Knights, he forms the Biker Boyz to try become the best biker and carry on his father's name and reputation.