The wayward lady Diana Fordham ran away with an admirer who turned out to be a Napoleonic spy, and the king's secret service sends its best secret agent, the Marquis of Templeton, after the fugitive. The Marquis, who once broke the heart of the beautiful Diana, will have to win her love again and lead her to the altar ! But how to overcome the mistrust and hostility of a woman who has once experienced betrayal? Only a deep, genuine feeling can do this...