旺角马场

　　「为什么大家讨厌警察？」男孩询问母亲。身为警察的史黛芬妮，负责的却是警察暴力与失职案件调查。2018年，一名青年随亲友来到巴黎参与街头抗议，却因警方开枪，导致永久性脑部损伤。家人提出指控，警方却矢口否认，关键证据亦是不足。内外压力夹攻之下，史黛芬妮仍奋力调查，调阅摄像头比对、还原警员动线，越逼近真相之际，同僚的敌意也越发强烈⋯⋯

　　故事发生在一个电脑科技极为发达的年代，一名科学家发明了一个杀人程序协助警方办案，其中集结了数百名连环杀手的资料和他们的作案手法。这个程序是如此的邪恶，最后不仅生成了个人意志，更拥有了人类的外表和可以随时修复任意损伤的特殊能力，它从禁锢中逃脱了出来，在世间作恶。　　为了捕捉这位邪恶的“凶手”，警方设计了一个追踪仪器，罪犯帕克（丹泽尔·华盛顿 Denzel Washington 饰）被选中成为了仪器的试验品。帕克曾经亦是一名警察，却因为动用私刑杀死了让他家破人亡的杀手而被免除了职务打入大牢。而让帕克感到在意的是，在杀人程序中，亦有当年杀害他家人的那名杀手的存在。

　　Driving home late at night during a heavy rainstorm, Glen experiences car trouble. Near where his car gets stuck, he spots a house, knocks on the door and is greeted by an oddly friendly middle-aged man, Arthur, and his younger wife, Cyndi. The strange couple pours him a drink, and then more drinks, followed by an unexpected offer that Glen can’t refuse. Elsewhere, a young woman, Katie, is feeling emotionally weighed down by a secret romantic arrangement that feels like a textbook case of gaslighting. And at the same time, in a nondescript research facility, medical professional Julie begins questioning her role in a bizarre experiment, fearing that she’s doing more harm than good.

 一连串匿名勒索电话，寄到家里的裸照让强势的医生赵寒雪饱受丈夫的暴力摧残。女儿离家出走，下落不明。赵寒雪能否解决勒索，逃离暴力？又该如何寻回女儿？