Kraft Durch Freude (Power through Joy) was a Nazi program offering working class people affordable vacations on steamers.On one of these voyages, a grumpy old man named Petermann is transformed into a nice chap.
On a German steamer en route to New York stowaway Viktor and office girl Susanne fall in love while they get caught up in Marquis de la Tour's elaborate scheme to steal collector Henning's valuable stamp collection.
At a ball at the Metropol, the married Margit gives a harmless kiss to a one-time friend from her childhood and cousin, Eberhard. The two notice, however, that Margit's ill and jealous husband observed them from a distance.
