There's the scarlet thread of murder running through the colourless skein of life, and our duty is to unravel it
After a harrowing tour in Afghanistan, Dr. Watson returns to London to convalesce at 221B Baker Street, home to the enigmatic Sherlock Holmes. Their lives are irrevocably thrown together by news that a man has been found dead in a grimy 'ill-omened' house, with the word rache - German for revenge - written in blood on the wall. This grisly discovery is complicated further ...