DCI Andrew Fenwick is on a case, which aims to expose a powerful paedophile ring. Moreover 11-year-old Sam Bowyers is missing, and every second counts. Meanwhile Inspector Nightingale is investigating the death of a con man who pulled a knife on a policeman, and was shot by Major Maidment. But were his actions as heroic as they seem? As tension mounts, Fenwick and Nightingale ask themselves: is innocence in the eye of the beholder?