In an abandoned Wyoming penitentiary, Creedmore Prison, the state decides to reopen and reinstate operations under the command of the harsh and unyielding Warden Ethan Sharpe. As new inmates arrive, including the quiet and enigmatic Burke, a dark history tied to Sharpe begins to resurface. Years prior, Sharpe, then a guard, was present during the execution of an inmate, Charlie Forsythe, who was framed and wrongfully put to death. With the reopening of the prison, a series of unexplained and violent supernatural events start to occur, leading to a growing sense of unrest and fear among the prisoners and staff.

As these horrific incidents escalate, it becomes apparent that the spirits from the prison’s past are exacting revenge. Mysterious deaths and haunting visions force the inmates to confront the vengeful presence within the facility. Burke finds himself at odds with Sharpe, who becomes increasingly desperate to maintain control as the prison's sinister legacy threatens to consume everyone within its walls. Through a mounting series of eerie occurrences, the truth about the wrongful execution and its consequences begins to unravel, leaving the characters in a fight for survival against the malevolent forces at play.