In March 1873 aristocratic sleuth Charles Lenox undertakes a delicate espionage mission to Egypt, where five British agents have been killed, apparently by the French. But soon after Charles's ship sets sail, the captain calls on him to dust off his deductive skills when a crew member is murdered and left eviscerated on the deck.

Returning from a continental honeymoon with his new wife, Lady Jane, Lenox is asked by a colleague in Parliament to consult in the murder of a footman, bludgeoned to death with a brick. His investigation uncovers some unsettling facts about the family he served and a strange, second identity that the footman himself cultivated.Going into the boxing clubs and public houses, the Mayfair mansions and servants' quarters of Victorian London, Lenox gradually...