方晴、王小涵、李彤、朱丽四个是大学同学,几个人平时形影不离情同姐妹,大学毕业以后,几个人决定留在北京找工作,在朋友那里租到了一个便宜的古宅,几个人住到院子里后,发现还有另外一个房客在这里,一个相貌英俊,但性格怪异的男生,后来,几个人越来越觉得不对劲,她们发现整个院子都阴森森的,而且一连串的怪事开始发生。。本季延续《神探夏洛克第二季》的剧情,在莱辛巴赫坠楼案两年后,华生努力让生活重新步上正轨,集美丽与智慧于一身的玛丽·摩斯坦将与华生一同步入和谐浪漫的人生新阶段。然而此刻,夏洛克却上演复活戏码,虽然这是华生祈祷已久的愿望,但当愿望实现时,他还是无法坦然面对一切。这一次,夏洛克和华生需要解决伦敦街道下神秘的阴谋、婚礼上突如而来的意外,及面对恶名昭彰且阴险的勒索之王——查尔斯·奥古斯都·马格努森。夏洛克回来了,但一切还和以前一样吗?。This is based on the novels of Holly Jackson. Five years ago, schoolgirl Andie Bell was murdered by her boyfriend Sal Singh. Case closed. The police know he did it. Everyone in town knows he did it. But smart and single minded Pip Fitz-Amobi isn't so sure and she’s determined to prove it. And if Sal Singh isn’t a murderer and the real killer is still out there, how far will the...。