Zak and the crew travel to Erie, Colo., along with Bishop Bryan Ouellette, to perform an exorcism on a young man to help rid him of a demonic attachment he obtained after trying to conjure an entity years ago.

Investigating the 150-year-old Edinburgh Manor in Iowa; Zak hears how a tall, dark entity known only as "The Joker'' terrorizes people who enter the manor, including violently choking people.