The list of military eyewitnesses describing strange and threatening unidentified craft in U.S. airspace is growing. And now, a U.S. Navy radar operator has provided something more: Actual coordinates where UFOs appeared and disappeared. Lue Elizondo and a new partner follow the trail, and find that these unidentified craft are still seen. New eyewitnesses provide chilling details, and a correlation to U.S. military sightings. As the reports mount, Lue closes in on a location where visitors are not allowed: Ground zero for the sightings.