Georgiana Dudley—the "Ice Duchess"—has just emerged from mourning after a nine-year marriage of convenience to the Duke of Darby, her twin brother's lover. Deeply hurt by a scoundrel a decade ago, Georgie swore she would never turn her head for any man, let alone another rakehell. But then she encounters the wickedly handsome and all too charming Rafe Landsbury, the Earl of Markham and against her better judgment, her interest is reluctantly aroused. An affair may be impossible to resist but dare she trust Lord Markham with her most intimate secrets...and her heart?

Society believes Rafe to be a diplomat but for many years he has been working on the Continent as a spy for the Crown. Leaving the shadowy world of espionage behind, he returns to London with the intention of finding a wife. When he is paired with the frosty yet fascinating Duchess of Darby at the piquet table during a ton ball, he is intrigued. Do-or-die man that he is, he's certainly not going to let her cool demeanor dissuade him from pursuing her.

When Rafe's dark past returns to endanger Georgie, he is determined to protect her at all costs, even if that means hiding who he once was. With the stakes so high, both Georgie and Rafe must decide if love is a risk worth taking...