AllMovie

The most fearsome fighters in Mixed Martial Arts make the leap from the octagon to the big screen in this bone-smashing thriller set in the world of underground fighting. When a shady promoter lures an MMA world champion into the underground fighting circuit, the famous brawler realizes that his only hope is to kill or be killed. Now, instead fighting for glory, he will fight for his life while vowing to never show weakness, and never surrender.