In the claustrophobic, blood-soaked corridors of Hoxford Penitentiary, a group of hardened inmates and their corrupt guards find themselves trapped in a nightmare when a terrifying supernatural force begins to hunt them one by one. The film follows a diverse ensemble of characters, including a cunning lifer played by Jason Flemyng and a volatile newcomer portrayed by Dexter Fletcher, as they are forced to set aside their violent rivalries to survive an entity that transforms the prison into a slaughterhouse. Directed by Julien Mokrani from a script by Samuel Bodin, this intense horror feature plunges viewers into a world of relentless dread, where the prison’s brutal hierarchy crumbles under the weight of an ancient evil. As the body count rises and the walls close in, the survivors must decipher the dark secrets of Hoxford before they become its next victims. With a taut runtime and a visceral atmosphere, the film delivers a gripping blend of psychological terror and visceral horror that keeps audiences on the edge of their seats.