Zak and the crew delve into the darkness that surrounds the historic and very haunted town of Sutro, Nevada. The team suspects an old mining tunnel is fueling the abandoned settlement's ominous aura as they uncover numerous deaths, disasters and mysterious fires.

Zak and the crew trek through California's Death Valley to investigate a sprawling complex shrouded in mystery. The guys find themselves captivated by the desert villa's dark, powerful energy as they explore its flood- and fire-ravaged grounds. Who or what is feeding this ominous aura?