Things are looking bad for disgraced spy August Drummond. In emotional free fall after the death of his wife, fired for a series of unprecedented security breaches… and now his neighbour on the flight to Istanbul won't stop talking. The only thing keeping him sane is the hunch there's something suspicious about the nervous young man several rows ahead – a hunch that is confirmed when August watches him throw away directions to an old cemetery moments before being detained by Turkish police. When August decides to go in his place, it sets him on a path from which there may be no return…