A computer hacker penetrates Vatican security and sends an urgent anonymous plea to the pope. Handsome Father Quart, of the church's Institute of External Affairs, an arm of the Vatican intelligence, is dispatched to investigate. The message of the hacker concerns a crumbling 17th century Baroque church in the heart of Seville that apparently "kills to defend itself".

Follows the epic Biblical story of the Resurrection, as told through the eyes of a non-believer. Clavius, a powerful Roman Military Tribune, and his aide Lucius, are tasked with solving the mystery of what happened to Yahshua in the weeks following the crucifixion, in order to disprove the rumors of a risen Messiah and prevent an uprising in Jerusalem.