With the help of a seasoned inmate mentor named Bones (Terrence Howard), Savage must survive these brutal fights while gathering enough evidence to take down the corrupt administration.
Once inside, Savage discovers an underground gladiator-style fighting ring known as " The Dungeon ," run by the sadistic Warden Lucas (Jeremy Piven).
The plot follows (Tyrese Gibson), a former Marine who is caught robbing a drug house to pay for his daughter’s medical bills. To avoid a long prison sentence, he agrees to go undercover in a notoriously corrupt private prison to investigate human rights violations.