During the last days of the First World War, a clumsy soldier saves the life of devoted military pilot Schultz. Unfortunately, their flight from the advancing enemy ends in a severe crash with the clumsy soldier losing his memories. After quite some years in the hospital, the amnesia patient gets released and reopens his old barber shop in the Jewish ghetto. But times have changed in the country of Tomania: Dictator Adenoid Hynkel, who accidentally looks very similar to the barber, has laid his merciless grip on the country, and the Jewish people are discriminated against.