Disguise

1945. At the end of the Second World War in Berlin, a young mother loses her two-year-old boy in the bombings. She flees to the south, where her father finds a young foundling of the same age among the refugee trains to replace the boy. He makes her promise never to tell anyone, including her husband - still fighting on the Russian front - that the boy is not her own. Nobody will know the difference. 2008. Gregor Liedmann is a Jewish man now in his sixties. He's an old rocker who ran away from home, a trumpet player, a revolutionary stone-thrower left over from the 1968 generation. On a…