It follows 16-year-old Erik, who is used to violence both at home and in the schoolyard. After being expelled from his school in Stockholm due to his violent behavior, he is transferred to the boarding school Stjernsberg. It is his last chance to continue his education and break with his previous life, but at Stjernsberg, the violence is worse than at home. While there, he also engages in a forbidden love relationship with Marja, a member of the kitchen staff.

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.