Struggling to support her family after her husband’s death, Caroline Harding attracts the attention of the ruthless Captain Francis Grafton who offers her a devil’s bargain to pay back her debts to him. Outwitting her enigmatic employer and unwillingly gaining his approval significantly changes her life for the better, but can she win his loyalty and his heart when he appears to care for nothing but profit?

When Miss Elizabeth Waterstone encounters the enigmatic Duke of Diable Delamere in the most shocking of circumstances, she is determined to exploit his rakish expertise to the fullest extent. The duke agrees to teach her everything she needs to know, but in return expects to receive her unwitting cooperation to uncover an assassination plot against the monarchy. But Elizabeth is hard to deceive, and the duke finds himself needing more than her innocent skills in his bed.

Lady Gemma Lively’s life as the darling of London’s fast set was carefree and fun, filled with exciting friends, daring fashions, and scandalous parties. But when the death of her father leaves her family with nothing but a dilapidated coaching inn at the end of the Earth, it’s up to Gemma to change their fate. She needs a rich husband immediately—but the only bachelor in sight is a devilishly distracting barkeep who doesn’t know the peerage from a pint glass.

Lord Sebastian St. John, dedicated bachelor and a co-owner of Fallen, the most scandalous pleasure club in London, is known as Sin for good reason. Orphaned by a shocking accident, Sin long ago vowed a life of solitude and decadence. Yet when Lady Grace Carrington begs for his help destroying her reputation, Sin can't turn the ton's most proper lady away.

Lady Evangeline Raine prefers animals to people and has no interest in marriage—much to the dismay of her flirty younger sister, Viola. Because their father has one rule: Viola may be courted, only if Effie has a suitor as well. Saddled with debt, Gage Croft, Duke of Vale, is determined to rebuild his estates. When the owner of his vowels offers him a fortune to charm the impervious Lady Evangeline for the season so Lady Viola can be courted, the game is on, even if it means pretending to seduce an unconventional wallflower.