在一次反恐行动中，由于情报失误，英国特警部队误杀了一名怀抱孩子的中东移民，负责行动队的首长决定将这宗丑闻彻底抹去，遂找来了知道真相的队员们统一口径，录制假口供。刑侦队长史蒂夫（马丁·康普斯顿 Martin Compston 饰）对于首长的决定十分不满，于是辞去了职务，被调往隶属于英国反贪署的秘密行动组。 史蒂夫的任务是调查一位名为托尼（连尼·詹姆斯 Lennie James 饰）的侦缉总督察，他因为涉嫌贪污而被列入了监视的名单。史蒂夫和女警探凯特（薇琪·麦克卢尔 Vicky McClure 饰）一同打入了托尼所领导的小组内部，史蒂夫却意外的发现，凯特还有另外一重秘密的身份。
播出日期: 2012-06-26
运行时间: 59 min
概述: When Steve Arnott is transferred to a police anti-corruption unit, he finds his target is the city's top detective, Tony Gates. Can Gates really be as good as he appears? Arnott must engage in a cat-and-mouse struggle to uncover Gates' secret.
播出日期: 2012-07-03
运行时间: 58 min
概述: Having been duped into covering up Jackie's crime, Gates is desperate to sever ties with her. But, as Arnott and Fleming close in on his secret, Gates is plunged into an even more dangerous situation than he first thought.
播出日期: 2012-07-10
运行时间: 59 min
概述: Arnott is convinced Gates played a part in Jackie's disappearance. With Fleming's help, the anti-corruption team tries to trap Gates into revealing his involvement in covering up Jackie's crimes.
播出日期: 2012-07-17
运行时间: 60 min
概述: Desperate for proof of Gates's corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she might not be such a loyal colleague after all.
播出日期: 2012-07-24
运行时间: 59 min
概述: With Gates on the run, the anti-corruption team come under pressure to close the case once and for all. Arnott is forced to make some tough decisions about where his loyalties lie. Fleming and Hastings go all out to catch Gates, leading to a shattering conclusion.
