When a member of the Police Scotland team fails to clock-in for work, concern for her whereabouts is immediate - and the discovery of her burnt-out car in remote woodland to the south of Edinburgh sets off a desperate search for the missing woman. Meanwhile, DCI Tony McLean and the team are preparing for a major anti-corruption operation - one which may raise the ire of more than a few powerful people in the city. From one of Scotland's most celebrated crime writers.