In the second half of the two-part special, Bagans invites three lucky fans to the museum to further investigate the dark entities. Then, Bagans ups the fear factor with the arrival of the famously haunted doll, Annabelle, who comes with very strict rules: no physical handling, no provoking and a quart of holy water must be on standby in case of possession.

Zak and the crew head to a Colorado museum where something is threatening the health of its employees. During the investigation, they uncover the property's violent history and gather disturbing evidence of a dangerous entity.