As Brian and his team tackle the intimidating task of renovating the historic Croke Patterson Mansion in Denver, CO into a Bed and Breakfast hotel, the workers begin to report supernatural occurrences, from sightings of apparitions, whispering voices and peculiar odors. When some members of the team start to fall ill, and an unexplained fire threatens the projects completion, Brian begins to question the true nature of the Castle and the meaning behind these strange events.