In Paris on business, art historian Jonathan Argyll agrees to deliver a minor eighteenth-century painting to a client in Rome. A simple enough task which goes murderously wrong. The client is tortured and shot, and another prospective buyer also...
The Dean of a Swiss university persuades Sherlock Holmes to investigate the background of a would-be lecturer. To Dr. Watson it seems a very humdrum commission - but who is the mysterious 'Lieserl'? How does her existence threaten the ambitions of...