From the cage to the big screen, the world's greatest Mixed Martial Arts Champions come together for the first time in a major motion picture. When an MMA world champion is lured into the illegal world of underground cage fighting by an elusive promoter, he quickly realizes that the only way out is to kill or to be killed.

• Hector Echavarria
• Patrick Kilpatrick
• James Russo
• Georges St-Pierre
• Heath Herring
• B.J. Penn
• Anderson Silva
• Quinton 'Rampage' Jackson