Based on the best-selling novels by Scottish crime writer Ian Rankin, Detective Inspector John Rebus (John Hannah) is a tough, street-smart sleuth based in Edinburgh with an uncanny genius for solving complicated crimes. When crime lord Morris Gerald Cafferty's son is murdered by a gang involved in gun-running and right-wing extremism, Rebus is forced to revisit a pact he made with Cafferty when he identified the man who attacked Rebus's daughter in a freak hit-and-run.