Rosaleen Fleming is a bright flames, thoughtless of her reputation, and heedless of propriety. Since society considers her morally suspect because of her mother's youthful indiscretions, she plans to live up to everyone's worst expectations, even if it costs her the chance of a respectable marriage. That is, until she meets Lucien St. Cyr, Earl of Berwyn, who directs Rosaleen down the virtuous path to becoming a lady---and sparks within her unexpected desires.