Zak revisits investigations at Apache Junction and the Fear Factory. One family tells Zak a spirit haunts their home, and their autistic son is the only one who can effectively communicate with the spirit.

Zak helps out young filmmaker obsessed with the spirits at the Texas Horror Hotel, despite being the victim of a brutal attack. Then, he sees compelling evidence of a possession at the Sloss Furnace.

Zak Bagans reopens past investigations of Bachelor's Grove Cemetery and Waverly Hills Sanatorium in Chicago, and he learns new information about the owners of Waverly Hill.

Zak reopens the investigations: Shanghai Tunnels and Jerome Grand Hotel.

Zak revisits his investigations of the Stanley Hotel and Pennhurst. Zak hears about a woman suffering from a spiritual attachment originating from the dark and dangerous energy emanating from the Stanley Hotel.

Zak revisits his investigations of the Sallie House and The St. James Hotel. Zak learns how Gary and Jan Reynolds lives took a dark turn after meeting during Zak's investigation of The St. James Hotel.