One hit is all it takes.

Ex-cop Damon is trying his best to keep his younger brother Joe on the right track to winning the U.S. Kickboxing Championship. The only problem is Joe’s restless attitude toward living in Damon’s shadow. In a frantic search for his own identity, Joe gets mixed up with a crime family that heads one of the most dangerous underground fight circuits. Now it’s up to big brother Damon to bail him out.