A young girl's loyalty to the Communist Party is tested in Prague when she falls in love with an attache who has just arrived from the United States.

It is the year 2000 and the World Global Union is in charge, although other countries are allowed to elect their own government leaders, as long as they support the Union. When Austria's newly-elected president, played by Josef Meinrad, makes his inauguration speech he declares Austria independence and issues an edict ending Austria's financial support for the Global Union.

Vienna around 1900. Karl Hofeneder, owner of a dance school, puts great importance on teaching his students not only the right steps but also good behavior. Twenty years ago, the bachelor lost the love of his life to his friend and competitor Georges Roublée. The two have been enemies ever since. Hofeneder is annoyed when he finds out that Roublée wants to open a second dance school locally.

Operetta (German: Operette) is a 1940 musical film directed by Willi Forst and starring Forst, Maria Holst and Dora Komar. The film was made by Wien-Film, a Vienna-based company set up after Austria had been incorporated into Greater Germany following the 1938 Anschluss. It is the first film in director Willi Forst's "Viennese Trilogy" followed by Vienna Blood (1942) and Viennese Girls (1945). The film portrays the life of Franz Jauner (1832–1900), a leading musical figure in the city. It is both an operetta film and a Wiener Film.

In 1910, the landlord's daughter Agnes from the Steiermark gets to know the diplomat Hans. They have a short love affair and then part from one another. Hans gets sent to Beijing, where he marries and American and has a son with her. Agnes, too, has a son by Hans and moves to Vienna, where she works in a restaurant. She is still in love with Hans ...

After a shady collector of paintings has been murdered, adept Dr. Sebastian Ott discovers a big organised fraud with fake paintings. His twin brother Ludwig is responsible for it, kidnaps him and locks him away in his house. He uses Otts ID and 'replaces' him...

A classical art junk dealer and an almost bankrupt hairdresser who unexpectedly makes an inheritance go hunting behind thirteen chairs from which of a 100,000 DM contains which the rich aunt has hidden there.

Woman concert singer seeks to connect with her adult daughter, by her former marriage to a staid industrialist who has kept the two apart since the daughter was a small child, and gets inadvertent help from the industrialist's fired employee who has fallen in love with the girl.