Documentary about the Comedian Harmonists, a German vocal ensemble in the 20s and 30s.

A German serial killer preys on boys and young men during the so-called years of crisis between the wars. Based on the true story of Fritz Haarmann, aka the Butcher of Hanover and the Vampire of Hanover.

The Comedian Harmonists sing various German folk songs in a picturesque landscape.

Simultaneously made French version of "Ihre Hoheit Befiehlt": An officer, posing as a deli clerk, and a princess, posing as a manicurist, meet at a ball. The court especially the prime minister oppose a marriage, for political reasons.

Willy, Jean and Guy are broke, so they sell their car and open a filling station. Then they all fall in love for the same girl. Simultaneously filmed French version of the German musical "Die Drei von der Tankstelle".

Hella lives in a boarding house and has various romantic adventures before settling down with vacuum cleaner salesman Winkler.