Affaire royale - Nora Roberts

With Her Serene Highness Gabriella suffering from amnesia and her kidnappers still on the loose, Prince Armand lost no time in calling his close friend, American detective Reeve MacGee.
Poor Brie could remember nothing; even her family were strangers to her. With Reeve's prodding, her memory began to awaken. But his warm heart and calming eyes awakened so much more.