This document, dear friend, will shatter the church. Reading these words in a dusty archive, Jesuit priest Thomas Kelly doubts that anything could ever have had that power ? until the Vatican calls him to Rome to begin a desperate search for that very document. Meanwhile, Livia Pietro is instructed by a council of her people to find Kelly and join his search for a secret that could destroy them as well as the Church. Livia and her people are vampires.