Joe, a skilled martial arts fighter, spends four years behind bars after taking responsibility for a drug related arrest that could have destroyed his family. When he is finally released, he discovers that his young son has been diagnosed with a dangerous tumor and urgently needs an expensive operation. With no other way to afford the treatment, Joe enters a brutal martial arts tournament where fighters from different styles compete for a $100,000 prize. Forced to fight through powerful opponents, Joe must risk everything in the ring for the chance to save his son’s life.