When Sherlock Holmes turns down the case of persecuted Laura Shirley, Mrs Hudson, the landlady of Baker Street, and Mary Watson resolve to take on the investigation themselves. From the kitchen of 221b, the two women begin their inquiries and enlist the assistance of the Baker Street Irregulars and the infamous Irene Adler. A trail of clues leads them to the darkest corners of Whitechapel, where the feared Ripper supposedly still stalks. They discover Laura Shirley is not the only woman at risk as it rapidly becomes apparent that the lives of many others are in danger too. As Mrs Hudson and Mary Watson put together the pieces of an increasingly complicated puzzle, the investigation becomes bigger than either of them could ever have imagined. Can they solve the case or are they just pawns in a much larger game? It is time for Mrs Hudson and Mary Watson to emerge from the shadows and stand in the spotlight. Readers will discover that these two women are resourceful, intelligent and fearless, with a determination to help those in need.