Only a few short years ago the monster known as Jack the Ripper held the East End of London in a grip of terror.Now there are rumours that the Ripper has returned. Three respectable young women have been slaughtered in Mayfair, the city's most respectable and exclusive district - but instead of consulting Sherlock Holmes, the official police prefer to seek advice from Dr. Karl Schermann. And while the flamboyant German enjoys official approval and public acclaim, Holmes sits at home, brooding. Things start to look up with the solution of an ingenious theft at Cantle's auction house, and when...