Andy and Paul return to a Colorado cattle ranch that has had 16 mutilations over the last 25 years and features a mysterious bridge that may contain a dimensional portal, uncovering shocking scientific evidence that ties directly to Skinwalker Ranch.

When Investigator Katie Paige rejoins Andy and Paul at a Colorado ranch where strange phenomena terrorized her as a child, a newly revealed site of concentrated activity results in the discovery of a possible portal above the ranch.