At 34 years old, Rathe Wellesley, a powerful and gorgeous billionaire nobleman, has his life all planned out – or so he thinks until he meets Mary, a lovely but socially awkward genius who is nothing like his future duchess should be. Raised by a crazed and oppressive stepfather, 18-year-old Mary Ashton finds herself swept off her feet by the duke and tossed out of her home for daring to kiss a man before marriage. By choosing to be with Rathe, Mary’s life is completely transformed, leading an ordinary life as a college student during the day…and living the glamorous and passionate life as the duke’s mistress at night. It’s not the life she’s dreamt of but the look in Rathe’s eyes keeps Mary from leaving. It’s a look that tells her maybe, just maybe he could fall in love with her, too.

A young ordinary girl falls for a rich, handsome duke. If this were an ordinary love story, she would have been his bride. Instead, she becomes his mistress. In taking the eighteen-year-old Mary Ashton with him to London, Rathe Wellesley - the 5th Duke of Flanders and England’s #1 Heartthrob – knows that his most cherished woman would become the talk of the town for all the wrong reasons. Even so, Rathe is unable to keep himself away from her. Mary used to think she had the power to change the duke’s outlook on love. But when someone starts spreading lies about her, making Rathe and the whole world believe that she’s too young for him—- When she looks into Rathe’s eyes now, she fears that no matter what she does, the duke will ultimately choose…to leave her.