Zak and the crew go to downtown Los Angeles to investigate the long-abandoned Roxie Theater. The site of a mysterious suicide, the once majestic movie house has been left to rot, making it the perfect refuge for lost souls -- and a dark, foreboding energy.

Zak and the GAC continue their confrontation with a dark presence that has overtaken the Los Feliz neighborhood's infamous hillside mansion. The investigation turns emotional when they conduct an ancient Sumerian ritual to open gates to the other side.