Fallon, the Marchioness of Mystery, is a celebrated courtesan with her finger on the pulse of high society. Shes adored by men, hated by their wives. No one knows anything about her past, and she plans to keep it that way. Warrick Fitzhugh will do anything to protect his compatriots in the Foreign Office, including seduce Fallon, who he thinks can lead him to the deadliest crime lord in London. He knows hes putting his life on the line . . . To Warricks shock, Fallon is not who he thinks she is, and the secrets shes keeping are exactly what makes her his hearts desire . . .,