At the station, an unknown criminal shoots a young woman. A Jesuit priest, Father Romano witnesses a crime. Having studied similar cases, he realizes that all the murders are connected, and most importantly, he concludes that he himself is somehow mysteriously connected with these murders. After analyzing the facts from the crime scene, he comes to the conclusion that this was the work of a mentally unstable religious fanatic. Therefore, he decides to conduct his own investigation and in the course of it he meets Brittany Haymar, who is writing a book about Jesus Christ. Father Romano learns that she is trying to find out the truth about the genealogy of Jesus, but is encountering severe opposition from a certain secret organization...