Shipton Abbott continues to keep DI Humphrey Goodman and his team busy, with a baffling new crime each episode. From a death on a steam train to a missing teacher, the team have their work cut out. Even more so with Police HQ’s threat of the local station house closure hanging over them – the pressure is on to get results. Meanwhile, Humphrey and Martha’s journey to find their own version of a family continues as they explore the possibility of fostering. Martha’s mother Anne throws herself into the world of online dating, and a well-meant gesture from Esther’s daughter Zoe threatens to uncover a long-held secret…
第二季第一集承接上一季最后一集的劇情，從被炸彈和狙擊槍威脅的夏洛克(本尼迪克特·康伯巴奇 Benedict Cumberbatch 飾)和華生（馬丁·弗瑞曼 Martin Freeman 飾）和莫里亞蒂(安德魯·斯科特 Andrew Scott 飾)第一次正式會面開始。 接著夏洛克在接受白金漢宮一份重要委托的案件中遇到了亦正亦邪的神秘女子艾琳·艾德勒(拉娜·普爾弗 Lara Pulver 飾)，一位旗鼓相當的對手，一個使他心動的女子。這一次莫里亞蒂使大眾相信夏洛克所有的事跡全是虛構，使之變成一個偽英雄名譽掃地。而為了徹底打垮夏洛克迫使他跳樓，莫里亞蒂竟立刻吞槍自殺，結局到底如何，夏洛克會因此中了他的圈套嗎？精彩盡在第二季。