When the body of his oldest friend is found buried in a shallow grave, Dan, a small-town cop, seeks answers from a volatile Hermit who may have been the last person to see his friend alive....

　　本剧将聚焦反恐警务，和伦敦警察厅拆弹小组的卓越工作。故事讲述夏季的一场恐怖主义运动威胁到了首都的安全，拆手们忙碌在紧急行动的最前线，以便在伤亡人数增加之前查明爆炸的幕后黑手。　　Vicky McClure饰演前线警官Lana Washington，Adrian Lester饰演Joel Nutkins。两人都是前军人，曾在阿富汗共同服役，关系紧密，现为拆弹人员，人称「Expos/拆手」（暂译）...