Der Attentäter (1969)

In 1939, Hitler is at the height of his power and is steering Europe into a monstrous tragedy. The young Georg Elser recognizes the danger posed by the fascist system and decides to put an end to the Führer. To do so, he builds a bomb himself, which is supposed to explode during one of Hitler's events. Everything seems to be going well until Hitler ends his appearance earlier than planned...