It's November 1952. Great Britain - that shabby satellite of Greater Germany; a dismal semi-colony shackled after the Nazi victory in 1940 by the Treaty of Berlin – coughs through damp, cold and "sulphurous chemical smog".
But, in Birmingham, a deluded scientist holds world-shaking knowledge in his head. Can the British Resistance (leader-in-hiding: Winston Churchill) spirit him to the still-free US?
Every note of this smoggy hell rings true. Yet this switched history also shows how hope might dawn to end the Nazi rule of "blood and fear".