This is a minor variation on the story of the Boy Who Cried Wolf where Oswald the Lucky Rabbit tends a couple of lambs who tease him by crying 'Wolf! Wolf!' until the real article shows up.
After Fred von Bergen, a German immigrant in America, is forced from his job by anti-German hysteria before the first world war, he and his friend Bob Wilson leave America and join the German air force.
Heiress Hedda Nillson certain that her family is about to lose all its money, takes a job as a maid. After the usual trials and tribulations, Hedda falls in love with humble chauffeur Eric Landstrom.
A young man desperately in love with a nightclub singer sees an opportunity to spend some time alone with her when they're traveling through the Nevada gold country, and he takes the carburetor off her car and throws it in the river, stranding them there.
Father, son Kentaro and daughter Ochiyo, who live on the banks of the Sumida River, regain their love for each other after family discord and separation.