When the new Duke of Sandison returns to his new title after the death of his father he meets Rebecca, a high spirited, unconventional lady of the ton. Although he finds her exasperating, he cannot help but be drawn to her. When her brother, a debauched, evil bully promises her to one of his odious acquaintances dare the duke throw caution to the wind and seek illicit encounters with someone promised to another and can he thwart her brothers plans while pursuing his own secret desires?