Folsom Prison

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 with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

Taylor's hopes for a fresh start post-parole are jeopardised by cellmate Dee's arrival. As Dee takes Taylor under his wing, a vicious attack tests their bond, forcing Taylor to choose between protecting Dee and his own chances at freedom.

During a 10-year sentence for murdering the leader of a rival South Central Los Angeles gang, Bobby Johnson finds religion and rehabilitation with the help of Muslim inmate Ali. Upon his release, Bobby returns home to find that his young son, Jimmie, has joined the Deuces, his old crew. Tensions rise as Bobby struggles to convince Jimmie to leave the gang that was his only family during the painful years his absent father spent behind bars.

Somewhere in the middle of the English countryside a former judge and a group of former prison warders, including his lover, run their own prison for young women who have not been held properly to account for their crimes. Here they mete out their own form of justice and ensure that the girls never return to their old ways.