People Become Animals (S03E04)

The looming threat of World War III weighs heavily on numerous preppers, including ex-Marine Alex Dunbar, who is busy training a private squad of German Shepherd attack dogs in San Luis, Colorado. In the East Appalachia woods, Brenda McSwigan is anxious that a deadly, mutating virus could spark a pandemic, overwhelming hospitals and plunging the nation into disorder. Meanwhile, fellow prepper Grace McLeod fortifies her impressive 3,500 square-foot stronghold in anticipation of an impending economic collapse.