Deep in the Vatican archives lurks a secret artefact powerful enough to shake the church loose from its foundations.
A secret that will change everything we think we know about ourselves.
The keeper of this strange object is Clarence Paulson, a priest the Pope hopes has lost his mind — because the alternative is taking him seriously.
America's wartime spy master and presidential envoy Bill Donovan must tell the Pope what he doesn't want to hear, that Father Paulson is the key to unlocking a long hidden technology with the potential to change the world.
But Donovan has to get to it before anyone else discovers the secret for themselves.