Told through journal entries, a psychotherapist's notes, court records, and more, relates the tale of Carly, a teen who was institutionalized after her parents' death but released to Elmbrige High School, where she is believed to have a second personality or soul named Kaitlyn, and/or be possessed by a demon.

Told through journal entries, a psychotherapist's notes, court records, and more, relates the tale of Carly, a teen who was institutionalized after her parents' death but released to Elmbrige High School, where she is believed to have a second personality or soul named Kaitlyn, and/or be possessed by a demon.