When a goldsmith is discovered brutally murdered the strange circumstances of his demise lead Inspector Poulson of Scotland Yard to call on a man experienced in investigating the weird and uncanny, Professor Arnold Guthridge of St. Aidan's College, Oxford. Join the academic as he takes on the case with gusto, accompanied by the feisty Miss Evelyn Poole and a host of unlikely assistants in this rollicking tale of bloody revenge in Edwardian London.