Zak and the crew check in for a night of terror at a Flagstaff, Arizona, hotel where guests and staff have reported troubling paranormal experiences for decades. The chaotic spirits trapped within are wreaking havoc, and the GAC may be the only ones who can help.

Zak and the crew venture to California's first oil boomtown to investigate reports of ghostly activity inside its buildings and glowing anomalies in the surrounding hills; chaos ensues as the guys attempt to unravel the mystery of Mentryville.