Caroline Langdon has gained a reputation for being unattainable; she has turned down twelve offers of marriage in four years. A traumatic incident from her past has convinced her she never wants to belong to any man. Her plan to live as a wealthy spinster is tested when she meets the enigmatic Lord Wrotham. For his new assignment for the crown, Cage Morgan must slip into the one role he's never wanted, his title as the Earl of Wrotham. Lady Caroline is in grave danger. His new job is to watch over her and investigate which of her jilted suitors wants her dead. But keeping tabs on the clever and fiery lady is challenging. And ignoring the attraction that flares between them, impossible. Will a daring rescue and a fake engagement lead two guarded hearts to take a risk on a passionate love from which neither of them can hide?