Young love and childish fears highlight a year in the life of a turn-of-the-century family up to the 1904 St. Louis World's Fair.
When the bride's mother is supposedly swindled out of her money by a spurned suitor, the groom's father orchestrates a scheme of his own to set things right. He is aided by a cabaret singer, while placating a jealous wife.
Two newlyweds spy on the Nazis for the British Secret Service during their honeymoon in Europe.
Dictator Adenoid Hynkel tries to expand his empire while a poor Jewish barber tries to avoid persecution from Hynkel's regime.