The attractive Oberleutnant Paul Wendlandt is stationed in North Africa as a fighter pilot. While in Berlin to deliver a report he is given a day's leave, and on the stage of the cabaret theatre "Skala" sees the popular Danish singer Hanna Holberg. For Paul it is love at first sight. When Hanna visits friends after the end of the performance, he follows her, and speaks to her in the U-Bahn. After the party in her friends' flat, he accompanies her home and chance throws them further together when an air raid warning forces them to take cover in the air raid shelter. Hanna reciprocates Paul's feelings, but after a night spent together Paul has to return immediately to the front. There now follows a whole series of misunderstandings, and one missed opportunity after another. While Hanna waits in vain for some sign of life from Paul, he is flying on missions in North Africa. When he tries to visit her in her Berlin flat, she is giving a Christmas concert in Paris.

Peter wants to practice for an upcoming jazz competition with his friends Willi, Oskar, and Jupp. But his uncle Tobias, on whose farm Peter lives, must not find out about it.

Postwoman Christel is engaged to detective Horst. When the dashing star trumpeter Mecky arrives in town, her love begins to waver. Christel must make a decision at the big postal parade.

In 1815 Vienna, a corsetmaker falls in love with a valet.

Three young men working at a filling station fall in love with the same woman.

Country doctor Wilhelm Löhnefink has had enough of being a bachelor and goes looking for a wife.

The film is based on a true story, concerning a series of robberies on the highways of Germany. At the time of the actual events, there was a controversy over whether or not highway patrolmen should be given permission to use firearms against perpetrators.

Strange things happen in a revue theatre. The dancer Maria seems to be hunted by an invisible admirer. When the body of a probable FBI agent is found in a trunk the police asks FBI man Joe Como for help. Como gets interested in the revue theatre and an ominous transport firm soon. When he is receiving mysterious threatening letters he is sure that Dr. Mabuse has risen again. But what is going on at "Enterprise X" so that both the goverment and the mad genius in crime are interested in it?