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.
In 1973, when Frank Bledsoe and his 18-year-old niece Beth take a road trip from Manhattan to Creekville, South Carolina for the family patriarch's funeral, they're unexpectedly joined by Frank's lover Walid.
Once a known counterculture figure, June E. Leigh now lives in self-imposed exile in her South Bronx apartment during the incendiary '77 Summer of Sam. When an unseen tormentor begins exploiting June's weaknesses, her insular universe begins to unravel.