: Sister Ann (played by Jacqueline Byers) attends a school of exorcism in Boston to study demonic possession.

: Unlike many slashers, the plot is driven by a message of self-forgiveness. It suggests that a demon's power stems from a person's refusal to forgive themselves for past trauma.

: She encounters a young girl, Natalie, who is possessed by the same demon that tormented Ann's mother years prior.

While the film follows many standard tropes of the exorcism subgenre, critics and viewers have noted several standout elements: