Giovinetta Valdemar, Lady Devil herself, was branded as such after her first husband's heart was ripped out on their wedding night. Years later, she is betrothed once more to a much older nobleman, and in her desperation, makes a wish to the devil of Ducommun for help--a plea that is answered by transforming her twin brother, Johannes, the exalted hero of Valdemar, into a devil himself! Will this creature be her salvation or lead her down an even more treacherous and forbidden path?