The Wendover Airfield, a onetime Army Air Force Base in the salt flats of the Utah desert, played a crucial role in WWII. During training, dozens of pilots died on the base. Now, recent reports of paranormal activity there have stirred speculation; and the reported hauntings cause the staff to fear for their safety, and for that of the ordinary citizens who travel in and out of the base. Desperate for answers, they've called upon the team for help.

Dubbed one of the "most haunted places on earth," Waverly Hills Sanatorium has long been hailed as a "mecca" for paranormal investigators from all around the globe. It is also the site of some of the most striking paranormal encounters from the original "Ghost Hunters." Now, the new owners have been receiving reports of unsettling new paranormal claims from visitors, which include blood-curdling screams and unexplained sounds. Seeing this as the perfect opportunity to take his new team to one of his favorite haunts, Grant eagerly answers the call for help.