In this biopic, Adolf Hitler (Richard Basehart) is not only obsessed with achieving power over Europe, but also with his impotence and Oedipus complex. After he courts his niece and fails to bed her, Hitler has her killed. He continues to pursue domination in Europe by consolidating his power and burning the Reichstag. Eva Braun (Maria Emo) soon moves into his life, becoming his mistress and helping him get over his guilt. When the Allies move into Germany, Hitler and Braun make a death pact.