Raymond Avila is an ex-gang member trying to build a future. His kid brother Chuco is a sullen low-rider still caught up in the life. Despite their differences, their family bond is strong. But that bond is violently tested when rivals challenge Chuco's gang and ignite a neighborhood war.

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.