Shockwaves were sent – like carpet-bombs – over unprepared filmgoers when this film appeared on the screens fifteen years after the end of World War II. For the first time ever a careful selection of documentary footage from the twelve years of Hitler’s 'millennium' madness was made into a full-length movie format. And for the first time the awesome documents were compiled, with a clear, tangible purpose: to find an answer to questions, still to be answered: What happened? How could it happen?