福尔摩斯探案系列9:临终的侦探·吸血鬼》的主人公，世界上最有名的侦探。多数时候，他住在英国伦敦贝克街221号的寓所里，喜欢抽烟斗，做实验；推理能力一流，拳击、射击水平高超；精湛的小提琴演奏为他的优雅增色不少。他喜欢按自己的方式办案，不时捉弄一番达官贵人，虽也有失手的时候，但绝大多数情况下，都能成功地解决那些匪夷所思的疑案。华生曾嘲笑他的写作缺乏文采，但在《狮鬃毛》一案中，我们发现他的讲述跟他的办案一样引人入胜。很少有旗鼓相当的对手，莫里亚蒂教授算一个，艾琳·艾德勒女士也让他尝到了失败的滋味。后来随着影视作品的推波助澜，他成了大众偶像，超级英雄。

A Royal scandal, a dazzling game of cat and mouse. The seductive Irene Adler is cold, calculating, brilliant. Has Sherlock finally met his match?

When a chance encounter brings soldier John Watson into Sherlock's life, it's apparent the two men couldn't be more different, but Sherlock's intellect coupled with John's pragmatism soon forges an unbreakable alliance as they investigate a series of baffling cases together.

Sherlock is back, but will things ever be the same again?

There is a new criminal mastermind at large (Professor Moriarty) and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.