Lord Wolfenden was more interested in the beautiful young woman than in her elderly companion when they entered the restaurant but it was the older man whose life Wolfenden would save as they left. He had no way of knowing this would get him involved in the older man's scheme but he would learn that Mr. Sabin, a dedicated by unscrupulous French royalist had a mission. That goal was to help the Germans get hold of the English coastal defense plans, all in exchange for a German vow to help restore the French royalty with Prince Henri on the throne.