Devil you know

"They call him the Devil of Dorset. He stands alone, a man of undeniable power. Moving in and out of shadows, back alleys and ballrooms, he is unstoppable and one of the Crown's most dangerous weapons. However, when he sets his sights on the undeniably beautiful Countess of Mont Claire, Francesca Cavendish, he doesn't realize that he has met a match like no other. Francesca is a countess by day and stalks her prey--those responsible for the death...