After experiencing a life changing injury while out riding her beloved horse Pirate, Willa Dutton becomes convinced she should release her fiancé, the Earl of Roydon, from their engagement. She feels another woman would be better able to provide him with heirs and participate in the activities he loves. With this decision made, Willa sets out to find him a better wife by matchmaking.
Meanwhile, the earl believes that someone is trying to kill Willa. Learning that her saddle had been sabotaged is only the beginning. As more attempts are made to kill Willa, the earl sets out to find out who the suspect is. At the same time, he finds that Willa’s behavior has become a bit odd as she has started hosting parties and pushing other women at him. Will he solve the mysteries in time and convince Willa that she is his one and only love?