While investigating a series of gruesome murders, Swansea police detective Harry Lambert discovers a clear link between the victims: they were all members of a paedophile ring. As the DI and his team delve further into the case, they are plunged into a seedy world of perpetrators, suspects, victims and vigilantes. . Initially, the police believe the killer could well be a prior victim of the ring, or a redeemed abuser targeting former associates. But when a television producer becomes a suspect, DI Lambert discovers the motives are not as straightforward as they at first appear, and the answer lies buried somewhere deep in the past. . As Lambert unearths the terrible truths about these horrendous crimes - in the process stirring up suspicions about his own family history - he discovers these are truths which could cost him his life...