Abracadaver begins with a magic show at the St. Hilary’s parish center on a peaceful winter’s night in Fox River, Illinois. A ring inscribed “To FG from AG. Con amore” is used in a trick, but the inscription sticks in Father Dowling’s mind because the recipient’s initials are those of a woman who has disappeared without a trace. Her husband, a wealthy real estate developer, is linked by rumor to another woman, and when one of his parishioners is murdered, Father Dowling begins to investigate the complex web of connections behind the simple ring.