Sidelined by an injury incurred while protecting his young brother, underground fighter Charlie Fontaine feels blindsided when he discovers his brother having sex on his couch with his new wife, Kat. Fueled by rage, a determined Charlie makes plans to get back in the ring and take on his brother in a fight to the death.

After the deadbeat brother of a businessman is assumed to be in on his own kidnapping, his sibling must take action to rescue him.