As the most notorious rakehell in Regency London, Lord Damien Sinclair sought only his own pleasure, until his beloved younger sister, Olivia, was injured and her reputation ruined during a forbidden tryst. Now Damien will do anything to destroy the young nobleman guilty of hurting Olivia. . . . And Vanessa Wyndham will protect her foolish brother at all costs, even if it means entering into an illicit bargain with the dangerously handsome "Lord Sin." When Vanessa offers to act as a companion to Lord Sin's invalid sister, Damien agrees with one scandalous condition--he'll forgive her brother's debt if she agrees to become his mistress.And so the seduction begins. But once the affair has ended, will they escape with their hearts intact?