The crew pierces the seal on California's Mira Loma Detention Center; decades of death, violence and bloodshed have scarred this massive compound, painting a thick layer of doom on every square inch and delivering some of the most solid evidence yet.

Echoes of a past investigation come into focus as Zak and the crew investigate a stately California ranch steeped in tragedy. A dark energy has taken root on the land, and the team must unravel its haunting secrets to help the terrified caretakers.