Several dead bodies have been found in Gothenburg striking fear into the city's population. We follow Goran Lidman who will head the task of tracing the offender. Clues lead to suspicions of an occult group. The former reverend Gabriella, who has her own reasons for wanting to stop the killings, offers Lidman her help. As Lidman embarks on an involuntary collaboration he must reluctantly accept a world beyond his own understanding in order to stop the perpetrator of the killings.