Investigator Katie Paige first encountered terrifying High Strangeness as a 9-year-old while living at Rocky Mountain Ranch in Colorado; now Andy and Paul are bringing her back after 50 years to see if they can capture scientific evidence of the property reacting to her presence.

Andy and Paul return to Bradshaw Ranch in Sedona, Arizona in search of a rumored secret military base--and find themselves in a situation that could jeopardize the entire Beyond Skinwalker mission.