After a teen girl with a strange wound is found in Amon County, Ohio, she is taken to the hospital in a nearby town and put in Dr. Suzanne Mathis care.
Mae adjusts to life with the Mathis family while Suzanne tries to find her a foster home. Detective Alex Lopez makes an unsettling discovery.
After enrolling in Jules school, Mae attracts attention from the newspaper editor. Suzanne reaches out to Maes parents. Peter asks a friend for help.
Alex digs for answers about Amontown and Suzanne consults an expert. Jules photo of Mae causes a stir at school, with unexpected consequences.
Suzanne gains more clarity on what Mae experienced at Amontown. Halloween night doesnt go as planned for Jules, who begins to question Maes motives.
Alex makes a key connection after the fire. Painful memories surface for Suzanne. A fearful Mae tries to stop Jules from going on a date.
The night of the Harvest Dance brings a full moon and chaos as Suzanne desperately tries to keep Mae safe. Alex realizes the cults powerful influence.
Suzanne follows Mae to the Amontown compound, where the Dodd family and their followers prepare for a deadly ritual. The Mathises seek a fresh start.