When a significant quantity of valuable gemstones is to be transported to South America by plane, those responsible are naturally extremely nervous. Everything must be perfectly planned, every possible risk averted.

Jordan, a famous criminal lawyer, will only represent clients, of whose innocence he is convinced (must be financially not-too-well-off). One day, his future son-in-law, the jeweler Fabian, is arrested on suspicion of murder on the day before his wedding. He is said to have murdered his ex-wife, the dancer Ria Norady. The conductor Gillmore found her dead in her dressing room shortly after a visit from Fabian. Gisela Jordan asks her father to defend him. After speaking to Fabian, the lawyer is convinced he's innocent. But since there is no proof of this, he decides to go and try and find the real murderer himself.

Three soldiers on very short home leave visit Berlin. One isn't from there and runs around with his guide book being perplexed by all the things that are different now. Another visits his wife and his baby. The third enters a romance due to a mistaken identity.

The two stars of an upcoming operetta performance quarrel constantly. but they also fall in love with each other.

As the title "The Queen's Heart" suggests, this early German black and white version of Mary Queen of Scott's eventful reign and death focuses on her emotional perception rather lyrically, with some songs, mainly by her.

Alexander Schonath is an exceptionally gifted musician who plays first violin in a philharmonic orchestra. But when the orchestra runs into financial difficulties, Alexander is the first to leave and join a dance band – the other musicians, especially his father, see him as a "deserter." In Alexander's absence, his younger, perpetually sickly brother Hans makes a career in the philharmonic and becomes engaged to Maria, the daughter of the orchestra's chairman, Herbert Hartwig.

Charlie, a very gifted, young acrobat, cannot find employment. A dancer and colleague, whom he trained, has gotten him a job as a stagehand at a vaudeville theatre. After a number of chaotic events and some highs and lows - none of which ever discourage him - his hour arrives: an act can't go on and "Akrobat schööön" can finally make his grand entrance.

A nervous private investigator, his bumbling boss, a woman in love, 10,000 Reichsmark and two reversed cases. A crime comedy directed by E. W. Emo.

During his trip to the city, a naïve man from the countryside falls victim to a thief who steals his wallet. Since all his personal documents were in it, he not only looses his money but also his identity. The thief turns out to be a cunning con man, who uses the papers for his criminal schemes. Soon enough, a warrant is issued, and eventually both men – the thief and the innocent guy – are arrested. But since all the red tape of the government causes even more confusion, the odyssey of the victim searching for his lost identity has just started.

Heiner and his friend Florian go canoeing on the river Mosel. With them is Monika, Heiner's sister, as Heiner's wife hasn't got time to be with them. But as a joke, Heiner passes Monika off as his wife, and while Monika likes the conceit initially, it becomes a problem when she falls in love with Florian who however wants to remain loyal to his friend. Things get complicated when the trio meet Susanne and Tilo, another canoeing couple, and when finally Heiner's wife Nora arrives, too. Soon quite a bit of partner-swapping seems imminent...