在海洋迷雾中，福尔摩斯揭开了谜团，海军协定的真相浮出水面。薇薇视频

　　An unknown thief steals an important naval treaty from the office of Mr. Percy Phelps, a Foreign Office clerk. Phelps's distress gives him a brain fever that lasts for nine weeks. As he begins to recover, he writes to his old schoolmate, Dr. Watson, begging him to invite Sherlock Holmes to investigate the matter and find the treaty. Otherwise, his honor and happiness are gone f... (展开全部)