The monstrous murder of a foreign diplomat and his wife shocked France. The intelligence services have no doubt that a professional took part in the preparation and execution of this murder, the same international terrorist whom all the world's intelligence services have been unsuccessfully trying to eliminate for more than twenty years! To kill a professional of this class, it takes a genius. And such a genius exists. His name is Gabriel Allon, and he was once considered the best of the best. Gabriel Allon has long since retired, leads a quiet life and does not want to return to his old job. But now too much is at stake!< /p>