In 1984, a flashback video captures Young Cory's 14th birthday party with his twin sister Jessie, older sister Fiona, and half-brother Rex. Unbeknownst to them, Pamela, a powerful witch leading a murderous occult church, lurks in the shadows. Fast forward 30 years, tensions rise as the family gathers for the patriarch's funeral, with Cory and his boyfriend Lars arriving at a secluded house in England. Pamela, on the brink of death, is supported by Rex, now her devoted follower. Fiona's return triggers suppressed memories of Pamela's dark past, leading Cory down a dangerous path. As Pamela manipulates those around her, Cory must fight for his life and his birthright. Will he succumb to her evil plans, or will he break free from her grasp?