It is 1962: the height of the Cold War and only months after the building of the Berlin Wall. Alex Leamas is a hard-working, hard-drinking British intelligence officer whose East Berlin network is in tatters. His agents are either on the run or dead, victims of the ruthlessly efficient East German counter-intelligence officer Hans-Dieter Mundt. Leamas is recalled to London – where, to his surprise, he's offered a chance at revenge. But to get it, he may have to stay out in the cold a little longer…