As the most notorious rakehell in Regency London, Lord Damien Sinclair - the dangerously handsome "Lord Sin" 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. When Vanessa offers to act as a companion to the invalid Olivia, Damien agreeson one scandalous condition: He´ll forgive her brother´s debt if Vanessa agrees to become his mistress. And so the seduction begins. But once the affair has ended, will they escape with their hearts intact?