England, 1889. Quiet and scholarly Princess Emilie has always avoided adventure, until she's forced to disguise herself as a tutor in the household of the imposing Duke of Ashland, a former soldier disfigured in battle and abandoned by his wife. When chance draws her into a secret liaison with the duke, Emilie can't resist the opportunity to learn what lies behind his forbidding mask, and find out what adventure really means ....