After stowing away in the Marquess of Eversley's carriage to escape London and scandal, Lady Sophie Talbot must convince the Marquess that she is not trying to trick him into marriage as they try to resist their mutual attraction.

Adelaide Frampton, known as The Matchbreaker, a woman trained to help brides avoid the altar, finds herself racing across London with the Duke of Clayborn, who is harboring secrets of his own.