In an underground fight club, blackbelt Travis Brickley is killed after losing to the evil martial arts master Brakus. Travis' death is witnessed by Walter Grady, the son of his best friend Alex Grady. Alex and his partner, Tommy Lee, vow to avenge their friend's death by defeating Brakus and shutting down the fight club.

A team from the United States is going to compete against Korea in a Tae Kwon Do tournament. The team consists of fighters from all over the country--can they overcome their rivalry and work together to win?

Tony, the new kid at school, befriends gang leader Young, whose top rival is Chan. When Young defeats Chan in battle, two mysterious men offer Tony and Young jobs at a security agency, with one of their new clients being among the city's most notorious drug dealers.