A 17-year-old girl, Nell, is possessed by a demon called Abalam, leading to her hospitalization and treatment. She eventually moves to a transition house in New Orleans, where she starts a new life, finds a job, and develops feelings for a coworker. However, she soon discovers she's haunted by people from her past and the evil force that once possessed her. A mysterious woman named Miss Cecile offers to protect Nell from the evil force, revealing she's part of a secret group that can prevent an impending apocalypse. Nell must decide whether to accept their help or learn to protect herself.

The Last Exorcism Part II
Nell Sweetzer faces a new terror as the malevolent force that haunted her comes back with an even more sinister and destructive purpose.