Erebus is an anthology horror film inspired by the well-documented history of supernatural phenomenon in Rhode Island. Using Block Island's intimate setting as a backdrop, Erebus centers around the Gorham House, a mysterious old hotel with a torrid history of violent occult activity, as well as supernatural, and paranormal. Seeking to document the hotel for a new book, Samantha and Benny, journey to investigate the hotel, learning of its terrifying history along the way by relaying three horrifying tales of its previous owners.