Somewhere in Scotland the unthinkable is about to happen - something that would shatter the very bedrock of society. And Deputy Chief Constable Bob Skinner finds himself facing a triple threat. Ruthless Albanian gangsters have infiltrated Edinburgh's underworld. MI5 believe they are trying to take over the drug scene but could they be after a much bigger score? A police officer's son is found dead in suspicious circumstances. And Scotland's unscrupulous First Minister plans to take over the police force, threatening anyone who gets in his way. As the crimes begin to collide, fragments of the truth are revealed. Skinner and his team race against time to piece them together - but will it all come down to a shot in the dark?