中士约翰·金利（杰克·吉伦哈尔 饰）最后一次在战场上执行任务，在他和当地翻译艾哈迈德一起调查该地区时，他们的部队在巡逻中突然遭受到伏击，幸运的是，两人还活着，不幸的是，只有他们两人成为了幸存者。在伏击中金利受了重伤危在旦夕，这无疑增加了他们的逃跑风险，在敌人穷追猛打的追击下，艾哈迈德冒着生命危险带着受伤的金利穿越数英里岖崎地形，终于到达安全地带。回到国内后，金利得知艾哈迈德和其家人并没有像承诺的那样获准离开战区，他决心报恩并保护艾哈迈德及其家人，他重回战区在当地民兵到达之前救出艾哈迈德一家。

　　Following the conviction of some of those involved in the theft and handling of the Brink’s-Mat gold, the police realised that those criminals only ever had half of it. Series two explores what happened to the other half, and the criminal fortune it created. As the police investigation continues, it becomes a tense, high-stakes journey into international money laundering and organised crime, while the police embark on dramatic manhunts as they desperately try to solve the longest and most expensive investigation in the history of the Metropolitan Police.

　　Set and filmed in Liverpool, This City is Ours is the story of Michael, a man who for all of his adult life has been involved in organised crime, working for his friend and the gang leader Ronnie. When Ronnie begins to hint at retirement, Michael too begins to imagine another life. Because, for the first time in his life, Michael is in love. For the first time in his life, he sees beyond the day-to-day, he sees a future: something to win and something to lose - Diana.
　　This City is Ours is the story of Michael and Diana's love affair, set against the disintegration of Michael’s crime gang. For years, together with Ronnie, Michael has successfully been bringing cocaine into the City and beyond, directly from Columbia; but when a shipment goes missing, he knows their Kingdom is under attack.
　　This City is Ours explores what happens when Ronnie’s son Jamie decides he wants to inherit their kingdom and that there is no longer a place for Michael at the table. Both Michael and Jamie have bold ideas to modernise the gang and they will battle for control of it. But Michael’s biggest battle will be to save the woman he loves and the child he has always wanted.
　　This is a story about family, and love destroyed and corrupted by ambition, pride and greed. It’s a story about power: what we will do to secure and keep it.

　　Chris是一名利物浦应急响应警员，负责夜间巡逻。他是一个危机重重、道德感模糊，且不走寻常路的人。
　　Chris在自己的个人生活和工作中都尽力避免麻烦，但现在被迫和新来的菜鸟Rachel做搭档。两人很快发现，在这个高压又无情的夜间世界中，他们的生存将取决于是帮助彼此，还是毁掉彼此。

　　本剧改编自原著“科莫兰·斯特莱克”系列的第六本《The Ink Black Heart》。
　　当衣冠不整又疯狂的Edie Ledwell出现在办公室里，恳求能与她谈谈时，私家侦探Robin Ellacott不知道该如何应对。Edie是热门漫画《墨黑心》的联合创作者，她正受到一个化名为Anomie的神秘网络人物的迫害。Edie迫切希望揭开Anomie的真实身份。
　　Robin认为事务所对此帮不上忙，也就没再多想。直到几天后，她读到一则令人震惊的新闻：Edie在《墨黑心》的故事发生地海格特公墓遭遇电击并被杀害。
　　Robin和她的商业伙伴Cormoran Strike由此开始探寻Anomie的真实身份。但是面对一个由网络化名、商业利益和家庭冲突组成的复杂网络，Strike和Robin发现自己被卷入了一个把他们逼近极限的案件里。