To break the ancient curse plaguing her town, Deena Kiana Madeira must travel back to the terrifying origins of the evil in 1666. Experiencing the past through the eyes of Sarah Fier, she uncovers the harrowing truth behind the witch's legend and the dark pact that doomed Shadyside for generations. As Deena navigates the superstitious and brutal colonial settlement, she and her friends, including Sam Olivia Welch and Josh Benjamin Flores Jr., realize the horrifying secret is far more complex than any ghost story. The lines between past and present blur in this chilling conclusion, where the real monster may not be who they feared. Directed by Leigh Janiak, this final chapter masterfully weaves a tale of persecution, sacrifice, and enduring love, forcing the characters to confront the true source of the bloodshed that connects their fates across three centuries.