Father Gabriele Amorth, Chief Exorcist of the Vatican, investigates a young boy's terrifying possession and ends up uncovering a centuries-old conspiracy the Vatican has desperately tried to keep hidden.

When a shadowy organization calling itself "The Real Deal" shuts down the country's satellite communications systems and replaces the airwaves with cryptic messages about the state of the world, a group of Catholic high school students must decide how to respond. 17-year -old Mouse Mussendon embarks on a mission to find the truth behind the mysterious Real Deal messages.