Smiley and his people are facing a remarkable challenge: a mole - a soviet double agent - who has burrowed his way in and up to the highest level of British Intelligence. His treachery has already blown some of their vital operations and their best networks. The mole is one of their own kind. But which one?
"My dad used to say to me, 'Try to keep a cool head and a warm heart.' At least I think it was my dad. I don't really remember him." Gravy worked in the graveyard - hence the name. He was having a normal day until his friend Benjy turned up in a car Gravy didn't recognise. Benjy had a bullet hole in his chest, but lived just long enough to ask Gravy to hide him and look after his gun. Gravy had looked after things for Benjy before, but never a gun. When Gravy looked in the car...