Paranormal investigators Ed and Lorraine Warren work to help a family terrorized by a dark presence in their farmhouse. Forced to confront a powerful entity, the Warrens find themselves caught in the most terrifying case of their lives.

Skeptical forensic psychologist Kristen Bouchard joins priest-in-training David Acosta and technology expert Ben Shakir as they investigate supposed miracles, demonic possessions, and other extraordinary occurrences to assess for a scientific explanation or if something truly supernatural is at work.