- Time:1h 36min
- Genre:Action, Crime, Drama
- Director:Isaac Florentine
- Stars:Scott Adkins, Mykel Shannon Jenkins, Mark Ivanir .....
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 cleaning toilets. But when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them