For fifty years after Dr Watson's death, a packet of papers, written by the doctor himself, lay hidden in a locked box. The papers contained an extraordinary report of the case of Jack the Ripper and the horrible murders in the East End of London in 1888. The detective, of course, was the great Sherlock Holmes - but why was the report kept hidden for so long? This is the story that Sir Arthur Conan Doyle never wrote. It is a strange and frightening tale.在Dr. Walson死後的五十年，有一疊由醫生親筆寫的手稿被發現鎖在一個盒子裡。這份手稿記載著職業殺手Jack的各項檔案，以及在1888年的倫敦東方所發生的非比尋常的恐怖謀殺案。當然，當時是由最有名的偵探Sherlock Holmes來調查這椿案子。但為什麼這些檔案這麼多年一直被藏起來呢？福爾摩斯系列作者─亞瑟‧柯南‧道爾爵士第一次寫這樣的故事，一個詭譎的故事…
