As the end of the Second World War in Europe looms, a new conflict is in its early stages: who will control Europe when the war ends?

Soviet double-agent 'Archie' is now a British diplomat in the United States, feeding information on the Special Relationship back to Moscow Centre. Meanwhile, erstwhile Soviet agent 'Bertie' - Charles Cooper - is sent on a perilous mission to Italy before being drawn towards Berlin as the Allies draw near their goal. As the Red Army draws in on Berlin from the east, the British and Americans from the West, the heart of the Reich trembles beneath bombardment and the pitiless tracks of tanks.

The stage is set for a climactic showdown, and the traitors become more central than ever...