Writer-director David Mamet's riveting drama touches on the worlds of mixed martial arts, Hollywood and shady con men. Chiwetel Ejiofor gives a knock-out performance as a jujitsu instructor who gets conned into fighting in a money bout after getting backed into a financial corner. Mamet is a practitioner of jujitsu. Alice Braga, Tim Allen, Ricky Jay, Joe Mantegna. Mixed-martial-arts fighter Randy Couture costars.