In ancient Baghdad, penniless beggar Hafiz dotes on his beautiful daughter, Marsinah, at home and adopts the dashing and wealthy persona of the Prince of Hassir on the streets. While wooing the glamorous Lady Jamilla, wife of the Grand Vizier, Hafiz accidentally ignites a battle between the treacherous Vizier and the rakish Caliph for his daughter's hand in marriage, in the process exposing each man's secrets.