Cemeterians: While 'skeletization' ravages the globe, causing chaos and death, Alan unveils Styx: a device capable of picking up signals from beyond the grave. After a chilling pet cemetery experiment, Alan and Ivy plug Styx into a human cemetery…and make contact. Denizen: Enthralled by the malevolent force inhabiting an abandoned camping trailer, Helene's behavior becomes more fractured, and her-soon-to-be husband Richard is at a loss as to how to help. Young Maya finds herself equally affected by a dark dagger she's discovered, while her older sister Lily stumbles upon a ghastly clue in the desert that may explain it all… if she survives long enough to return to her family.