As Germany's fortunes in the latter part of World War II wane, several young boys, in their enthusiasm to do something "for the fatherland", volunteer to fight with the German army in the East. Horrified at the news that their children left for the Russian front, the boys' mothers begin a desperate effort to get their sons back.
An old donkey resolves to break away from the unbearable hardships of working for a fat miller. By and by, he recruits three more unsatisfied animals and convinces them to accompany him on his way to Bremen where they want to become musicians.
An American heiress in Europe falls in love with a German prince, but he is required to marry someone else for reasons of state convenience.
