天文学知识空白、文学知识空白、哲学知识空白、政治学不及格--这就是歇洛克·福尔摩斯。可是，这又有什么关系？对这位世界上最伟大的私家侦探来说，能否完成缜密绝伦的推理…

　　Miss Mary Morstan contacts Sherlock Holmes for his help regarding her father, captain Morstan, who disappeared 10 yea…