奥地利皇储突然自杀案件，让沉寂6个月的福尔摩斯（小罗伯特·唐尼 Robert Downey Jr. 饰）再次启动。这次，福尔摩斯有了一个强有力的对手——智力上与福尔摩斯相当的莫里亚蒂教授（杰瑞德·哈里斯 Jared Harris 饰）。为了调查清楚皇储的自杀案件，福尔摩 斯与华生（裘德·洛 Jude Law 饰），在吉普赛占星师西姆（劳米·拉佩斯 Noomi Rapace 饰）的帮助下，和莫里亚蒂展开了在整个欧洲大陆上的较量，从英国到法国、德国……虽然被称为最聪明的人，但是莫里亚蒂教授仿佛能预知福尔摩斯的行踪，都能先一步福尔摩斯逃之夭夭。莫里亚蒂教授死亡名单上的人一个个被抹杀，历史可能就此被改编，面对如此强大的对手，福尔摩斯如何应对？

After a four month absence, Sherlock Holmes returns to Baker Street following several attempts on his life. Holmes had been away on an important assignment for the French government - recovering the Mona Lisa that had bee stolen from the Louvre. He was successful in his task and appropriately rewarded by the French but he raised the ire of the crime's perpetrator - Professor Moriarty. On the morning of his return, the Professor visited Holmes in his flat and warned him to cease or he would have no choice but to take extreme measures. With several attempts on his life having already taken place, Holmes and Watson head for Switzerland. Moriarty is a relentless pursuer however and he and Holmes have a fateful encounter at the Reichenbach Falls. Written by garykmcd

《神探夏洛克》是一部由BBC出品的英国迷你电视剧，该剧将原著的故事背景从19世纪大英帝国国势鼎盛的时期搬到了21世纪繁华热闹的大都市中。
这一次夏洛克·福尔摩斯(本尼迪克特·康伯巴奇 Benedict Cumberbatch 饰)不仅是著名大侦探更是一名时尚潮人。和他的 好友兼得力助手约翰·华生（马丁·弗瑞曼 Martin Freeman 饰）分别经历了离奇市民自杀案件、黑帮走私事件和倒计时炸弹杀人案。每一个案件看似独立其实都有联系，两人每解决一个案子，就又会出现新的难题和的受害无辜百姓。经过抽丝剥茧，幕后黑手莫里亚蒂(安德鲁·斯科特 Andrew Scott 饰)终于浮出水面，最后一集的交锋中，被炸弹和狙击枪威胁的夏洛克和华生该如何脱身，只能等到第二季让BBC来告诉大家了。

1930年，纽约发生了一起骇人听闻的绑票撕票案，主谋卡塞蒂携赎金逍遥法外。 5年后，侦探赫丘里·波罗（艾伯特·芬尼 饰）乘船渡过博斯普鲁斯海峡，并在朋友比安奇（马丁·鲍尔萨姆 饰）的安排下登上东方快车，去往伦敦。一日凌晨，波罗被隔壁10号包间的叫声惊醒。随后，因雪堆掩埋铁轨，列车被迫停于南斯拉夫境内。波罗再次睡下不久，又被吵嚷声惊醒。贵妇哈里特·贝琳达·哈伯德（劳伦·巴考尔 饰）声称10号包间的富翁雷切特（理查德·威德马克 饰）潜入了自己的11号包间。天亮后，雷切特的管家贝多斯（约翰·吉尔古德 饰）端来了饮料，却敲不开10号包间的门。列车员皮埃尔·保罗·米歇尔（让-皮埃尔·卡塞尔 饰）用钥匙开了锁，但是里面挂了门链。波罗与皮埃尔合力扳开门，发现雷切特口角流血死不瞑目。经医生康斯坦丁（乔治·库鲁里斯 饰）检查，雷切特被下了药，身中12刀，死亡时间为0点至2点间……

A gentleman is baffled when the childish drawings of little dancing men terrify his American wife. Sherlock Holmes soon discovers why.

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 forever. Holmes takes up the case with zest, but gives Phelps no false hopes. The mystery is as dark and tangled as any he has known.

Col. Barclay is found dead and his wife is arrested for the murder, but Holmes is convinced a missing door key will reveal the true killer.

凌晨，诺伍德发生大火，富有的户主一位当地有名的建筑商尸骨无存。
火灾现场的大致情况如下：卧室的床无人睡过。保险柜门敞开，有激烈格斗的迹象，有少量血迹及沾血的橡木手杖一根。之前曾上门拜访建筑商的年轻律师成为最大嫌疑人并被警察逮捕。当然，福尔摩斯有他独到的见解，他坚定地认为：凶手另有其人，而且他已经找到!

Dr. Watson is shocked to learn that his good friend Sherlock Holmes has a brother, Mycroft, and that they are on their way to meet him on an urgent matter. There they learn of the strange case of Mr. Melas, a Greek interpreter, who was roused from his sleep in the middle of the night and required to interpret for a man who was clearly being held against his will. That man was beaten, bound and not allowed to speak but only to write out his answers to the questions he was posed. Clearly his captors are trying to force him to sign a document and are also keeping his sister captive. When Melas is taken a second time to interpret, Holmes, Mycroft and Watson must move quickly if they are to prevent a murder. Written by garykmcd

A strange man on a bicycle follows a young music teacher as she bicycles on a lonely road to and from the city.

嗜酒成癖的恶魔般的丈夫，天姿国色的天使般妻子，忠心耿耿一心为主的仆人，曾经富丽堂皇而今陈旧衰败的庄园……毫无疑问，这是个理应发生点什么故事或事故的地方。
当格兰其庄园的优斯塔斯爵士被通条击例，血和脑浆溅满屋子时，故事开始了......

Sherlock Holmes is asked by Inspector Lestrade of Scotland Yard to assist with a most peculiar case. He has been investigating a series of break-ins in shops and private homes where all that happens is the destruction of a bust of Napoleon. The case includes murder when one of the burglaries also leaves an unidentified dead man on the front steps. Holmes realizes that someone is searching for an article hidden in one of the busts. Written by garykmcd