The Mistress: A Dark Regency Romance - The Master and Marguerite, #2

Peg flees the castle in a desperate to bid to save the only thing she possesses - her self. But the influence of Lord Ardery reaches far wider than she can ever hope to run. He takes her to London and coerces her to become Marguerite, the ideal lover he will present to society. But first she needs to be taught to be a lady. She learns far more than he realizes from Kate, his embittered and lascivious mistress, who will do anything to keep Ardery for herself, even if it means subverting the innocence which he holds so dear in his Marguerite.