Brawl in Cell Block 99

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.

A highway patrol officer, two criminals, and a station secretary form an unlikely alliance to defend a defunct Los Angeles precinct against a siege by a bloodthirsty street gang.

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.

Lucas, a 14-year-old boy inducted into the gang life in Washington D.C., is determined that his 10-year-old brother won't follow the same path. When an Afghanistan war veteran comes into the neighborhood, an opportunity arises.