Berlin, in May 1945: World War II is over in Europe. The Soviet army has conquered Berlin, a city reduced to rubble, and now under martial law, imposed by the victorious Communists. Soldiers from America, Great Britain, and France will move into Berlin a few months later. But now, broken tanks and makeshift barricades are littering the streets, tenements and churches are turned into bombed-out shells, tunnels are flooded and train tracks destroyed...