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.

Snowbound and desperate, some of the Donner Party died of starvation. Some of them did not. They all sang.