The Tomainian army loses at the end of World War I. During the war, a Jewish barber is able to save a pilot’s life, Schultz, but the barber loses his memory in action. Twenty years later, Schultz is the head of a ghetto, in which many Jewish people live. This is during the regime of a cruel dictator Adenoid Hynkel, who wants to wipe all Jewish people from the face of the earth.
Eventually, the Jewish barber escapes from the hospital where he had been hospitalized since the end of WWI. As the Jewish people are being slaughtered every day, the barber survives persecution when Schultz intervenes.
Adenoid Hynkel is very ambitious and has plans to colonize the whole world one day if possible. His desires push him to borrow money from a Jewish banker, and when the banker refuses, he is sent to a camp. Adenoid Hynkel is forced to order for a slaughter of the Jewish people. Schultz refuses to conduct such an inhuman act and he is stripped of all his powers. He is sent to a camp from he escapes and returns to the barber. A war later breaks out between Hynkel, Schultz and the barber