The animals act strangely at the Chenoweths' farm; the family and neighbors search for missing Arlo

With no cell service or electricity, the Chenoweths and their neighbors desperately seek help

Ruben and James seek help from the Navarros; Arlo reveals the truth about what's going on

James and Ruben are held captive at the farm; Arlo, Meryl and Nicholas meet a mysterious man

Travis recounts how he took refuge at the Navarro farm, revealing the danger to James' family

James and Ruben return with a wounded McNab; James realizes a chilling truth about his mother

Suspicion and paranoia reign within the group; Donald joins Ruben to settle unfinished business

After discovering who's after Arlo, Maggie and James resort to the unthinkable to save their family