Bernard has known that he is not getting the full picture from London Central ever since discovering that his wife Fiona was a double agent. Werner Volkmann has been cast out by London Central as untrustworthy. Yet Werner still seems able to pick up information that Bernard should have been told.

Berlin-Kreuzberg, winter 1987. Through these grey streets, many people are hunting for Bernard Samson - London's field agent. He is perhaps the only man who both sides would be equally pleased to be rid of. But for Bernard, the city of his childhood holds innumerable grim hiding places for a spy on the run. On a personal level there is a wonderful new young woman in his life but her love brings danger and guilt to a life already lacking stability....