A Mafia buy out of Papa Byrd's karate school downtown ends in his death. Byrd's daughter, Sydney, refuses to sell, and wants revenge. Byrd's students call the Black Belt Jones for help. Jones reluctantly teams with Sydney in many battles.
Crowder is a man who will do anything, if the price is right. He is a private detective with a past in the police force. A woman comes to his office one day and asks if he will find her husband. He takes the mission, but soon he gets into a lot of trouble with some gangsters.