Molly Hartley is all grown up, but the unholy demon inside her lives on. Six years after graduating high school - and discovering that a secret pact assigned her soul to the devil - Molly is suspected of murder and confined to a mental hospital, where she wreaks supernatural havoc on the staff and patients. Her only hope is an exorcism by a defrocked priest looking to redeem himself and save Molly's life before her hideous "transformation" is complete...but Satan has other plans!—Twentieth Century Fox Home Entertainment
Taking place years after The Haunting of Molly Hartley, who now, as an adult, has fallen under the possession of an evil spirit and must be exorcised by a fallen priest before the devil completely takes her.