Gabriel Allon returns to investigate the murder of his friend and
professor, Ben Stern.
The professor, a brilliant scholar,
is ready to reveal one of the most secrets of the Holocaust. For that he his assassinated in Munich, where the German police, wants to believe he was murdered by right extremist.
Gabriel Allon does not believe it. Special because of all the papers of Ben Stern investigation on his book disappear.
In the mean time in the Vatican the new pope is ready to put in action a plan that can revolutionize the Church if he is well succeeded. If not, it can be its end.
It is up to Gabriel Allon to find out what is behind of all that, without destroying the reputation of the Church.
The terrible secrets that Gabriel reveals, takes him inside the corridors of the Holy Sea, and the manipulation of power to the highs levels.