She is an iconic member of the British Royal Family, beloved for her beauty and charitable works, resented by her former husband and his mother, the Queen of England. When a bomb explodes aboard her holiday yacht, British intelligence turns to one man to track down herkiller: legendary spy and assassin Gabriel Allon. Gabriel's target is Eamon Quinn, a master bomb maker and mercenary of death who sells his services to the highest bidder. Fortunately Gabriel does not pursue him alone, at his side ...