Grant and the team journey to the Original Springs Hotel in Okawville, Ill., after receiving an urgent call for help from he hotel owner's son. Three of the four previous owners of the hotel have committed suicide and the son fears for his mother's safety. Kristen and Daryl are baffled when they clearly hear footsteps above them while investigating the top floor, while Brandon and Mustafa make a surprising discovery that sheds new light on all their findings.
The Athenaeum is a cultural center that has stood proudly in the heart of Indianapolis, Indiana for over a hundred years. Mustafa uncovers a story that turns the investigation upside down. Dr. Knabe, a trailblazing female doctor who met a grisly end in the early 20th century, is linked to this building. She was murdered in her apartment just two blocks from the Athenaeum and afterward, there were countless reports of people seeing her appear around the storied halls of the cultural center.
Grant and the team travel to the nearly 200-year-old Madison Seminary in Madison, Ohio, to help an enterprising amateur ghost hunter who got more than he bargained for when he purchased the former women's psychiatric hospital. After witnessing aggressive paranormal activity and a sudden rise in fear and discord among his staff, the new owner is now afraid his popular ghost tours may no longer be safe for the public.
When Jimmy's father built the castle of his dreams, he didn't know it would turn into a nightmare. The stately hotel was once a famous retreat, offering the perfect weekend escape. But these days, many guests and staff have found themselves seeking escape from a variety of spirits. The team discovers a history of destructive fires on the property and Daryl enlists the help of a forensic sketch artist in hopes of identifying the mysterious "woman in white."
The team comes to the aid of a woman who has been tortured for years by unexplained activity in her home. Also, Grant returns to the St. Augustine Lighthouse, site of some of the most compelling paranormal evidence ever captured in 'Ghost Hunters' history.
Original founding member Grant Wilson returns with a new team of investigators. In their first case, Grant is contacted by the principal of a century-old high school in Pocatello, Idaho, that has long been rumored to be haunted. During her tenure, the principal has dismissed many of these rumors as mere urban legends. However, the school's security cameras capture an unexplained electrical disturbance followed by what appears to be a ghostly apparition in the hallway.