This radio dramatisation of Robert Harris's thriller comes from John Dryden, the producer of award-winning Radio Collection releases The Handmaid's Tale and A Suitable Boy.

Nazi Germany has won the war. Churchill is living in exile. King Edward and Queen Wallis are puppet monarchs of the United Kingdom. It is 1964, a week before Hitler's 75th birthday. Anton Lesser stars as the Berlin detective called to investigate the suspicious death of a retired German senior civil servant. His enquiries lead him down a road to uncovering a terrifying secret that has so far been hidden from the world.