Regency England, January 1813: The mutilated body of a young French doctor found in an alley beside a mysterious, badly injured woman entangles Sebastian in the deadly riddle of the "Lost Dauphin," the boy prince who disappeared during the darkest days of the French Revolution. Thrust into dangerous conflict with the Dauphin's sister--the imperious, ruthless daughter of Marie Antoinette--Sebastian finds his self-control shattered when he recognizes...