Days before her wedding, Helena catches her fiancé in bed with her own sister. Heartbroken, she runs to the cliffs—and asks the first man she meets to marry her. She doesn't know he is Alexander Cavendish, the most powerful duke in the empire. Or that he is her fiancé's father. One month later, she walks into his wedding as the Duchess—and the man who broke her must kneel and call her Mother.