It's 1763. Career diplomat Alec Halsey returns to London and the shocking news his estranged elder brother, the Earl of Delvin, has not only killed his friend in a duel but become engaged to the woman he had hoped to marry. When Alec reluctantly attends a weekend house party to celebrate his brother's engagement he gets more than he bargained for when a lady's maid is murdered, the bride-to-be is attacked, and a guest is shot dead.

1740s France and England—the age of hedonism and enlightenment. Antonia must flee the Court of Versailles and the predatory schemes of the Comte de Salvan. She orchestrates an escape with the unwitting assistance of the all-powerful Duke of Roxton, a man she has been warned against as too dangerous for her to know.

1740s France and England - the age of hedonism and enlightenment. Renard, Duke of Roxton, is wealthy beyond measure. Arrogant and self assured, his heart remains his own. Optimistic and headstrong, Antonia Moran is determined to flee the Court of Versailles with the Duke's unwitting assistance. Roxton is an unlikely savior - arrogant, promiscuous, and sinister. Antonia's unquestioning belief in him may just be his salvation, and her undoing.

Rowley Knight, Duke of Knighton, is too busy being a duke to bother with such nonsense as love. With three heirs, he is in no hurry whatsoever to succumb to the lures of the leg-shackles. He is content managing his siblings and estates, and avoiding society whenever possible. If he can only find someone to manage his young sister, life can go back to its proper order.

As England slides into Civil War, master-goldsmith and money-lender, Luciano Falcieri del Santi embarks on his own hidden agenda. A chance meeting one dark night results in an unlikely friendship with Member of Parliament, Richard Maxwell. Richard’s daughter, Kate - a spirited girl who vows to hold their home against both Cavalier and Roundhead - soon finds herself fighting an involuntary attraction to the clever, magnetic, and diabolically beautiful Italian.