Eight elite fighters--prisoners from maximum security prisons around the world--are brought together by a powerful underground gambling syndicate for a secret, survival-of-the-fiercest battle ...

Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for ...

Martial arts sequel starring Scott Adkins as a fighter competing in a brutal prison tournament in the hope of winning his freedom. Strong language/violence/flashing images. (2010)(93 mins) ...