Zak and the crew head to an Arizona mining town to investigate a former school where horrendous child abuse took place. The team captures some of their best evidence in years as they unlock the dark secrets that lay entombed in the walls of the massive building.

Zak and the crew go far off the beaten path in Arizona to investigate an abandoned sanatorium. Dozens of deaths, including the murder of a child, have left a heavy residue of pain and suffering on the building, making it a hotbed for aggressive poltergeist activity.