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.

Two lifelong friends find themselves at an impasse when one abruptly ends their relationship, with alarming consequences for both of them.