The year is 1949 and the Allied Powers' advance on Moscow in the wake of Nazi defeat has failed. As Stalin's tanks rumble through the streets of London, Winston Churchill decides to put an end to his life. Fast forward to 1989 and England is divided between the Soviets and the Americans, with the capital split in two. Metropolitan People's Police detective Harry Stark is called to investigate a corpse found hanging under Blackfriars Bridge. An American infiltrator tells him the body is linked to a dissident plot involving Churchill's notorious suicide...