Jean-Claude Van Damme stars as an undercover cop in this action feature. Renegade cop Louis Burke (Van Damme) poses as a prison inmate in order to investigate a series of suspicious murders in the maximum-security Harrison Penitentiary in California. Burke must use his full arsenal of martial arts skills when he uncovers the truth about the killings and is forced to attempt a daring escape after his true identity is revealed to his fellow prisoners.