A New York Times Bestselling AuthorLaurie R. King's bestselling Mary Russell-Sherlock Holmes series weaves rich historical detail and provocative themes with intriguing characters and enthralling suspense. Russell and Holmes have become one of modern literature's most beloved teams. But does this adventure end it all?Mary Russell is used to dark secrets-her own, and those of her famous partner and husband, Sherlock Holmes. Trust is a thing slowly given, but over the course of a decade together, the two have forged an indissoluble bond. And what of the other person to whom Mary Russell has opened her heart: the couple's longtime housekeeper, Mrs. Hudson? Russell's faith and affection are suddenly shattered when a man arrives on the doorstep claiming to be Mrs. Hudson's son.