The Ghost Adventures Crew travels to a quiet suburb just outside of Seattle to investigate the residence of Keith Linder, who claims a demonic force is wreaking havoc throughout the tranquil, contemporary home. Linder has spent the past year documenting what appears to be extreme poltergeist activity, including mysterious demonic inscriptions written on his walls and a fire spontaneously igniting in the home. With activity of this level, Bagans and the team investigate to determine if Keith's antagonistic spirit is one of the most powerful dark forces they have yet to encounter.