Záhada modrého pokoje

Two young composers offer their operetta in vain - it is rejected before anyone reads it. By a coincidence, when its text ends up in the wrong briefcase, it ends up with a popular singer who, on the contrary, likes it very much, but has no idea who wrote the play... The search for the authors, personality confusion and budding love become the main plot elements of this pleasantly naive film, where there is constant singing.

The likeable and charming Vanda Karhanová has problems in every job because of her appearance. So when she is about to start a new job, she decides to decisively prevent similar problems. She adjusts and dresses in a way that men do not notice her and do not pay attention to her. She has no idea that she will cause even more problems for herself, and not only because she now bears an uncanny resemblance to the millionaire Czech-American Ruth Baretová, who ran away from home to avoid getting married. First, Vanda is mistakenly arrested and ends up in the police station, so she cannot return to work. At the factory, they suspect her of having disappeared with a large sum of money that they had entrusted to her to deposit in the bank. Then the whole situation is complicated by the arrival of the real Miss Baretová.

Attorney František Uher is known for his patriotic mindset and active assistance in disputes between the Czechs and the Austrian justice system. One of his clients is the poet Šulc, who, while staying with Uhry, discovers that the lawyer's wife Anna is flirting with Uhry's cousin Hojer. When Anna does not respond to Šulc's warning, the poet draws attention to Anna's relationship with Uhra. Uher wants to know the truth, so he returns early from a business trip and actually catches Anna cheating. Disappointment brings him to the "Batalion" pub in Old Prague, where Šulc also used to go some time ago. Here, Uher becomes a mentor to the poorest, but gradually falls into alcoholism. He once again finds strength and stands on the side of justice when he accuses the police in court of murdering poor Lojzík, who wanted to marry the unfortunate waitress from "Battalion" Mimi. After appearing in court, Uher is arrested and "Battalion" is closed. After his release, Uher becomes an organist...

Master armourer Tomás has young wife Alena, of whom he is very jealous. One day the ruler of town sees Alena and decides to win her over for himself. To get a free hand for his love affairs, he sends Master Tomás to acquire more skills in Flanders. Jealous husband does not know how to secure fidelity of his beautiful wife while he is away, and finally accepts aid of the devil, to whom he signs his soul as a reward. Devil in the disguise of Master Ondrej works in Tomás's workshop and protects Alena against various courtiers and the ruler of town. But finally he falls in love with Alena himself and becomes her lover.

A comedy about a grandmother who raises her granddaughter Jarmila according to the rules of the old days. Only her second granddaughter, a university student Jiřina, makes the dignified old lady not only change her views on youth, but also teaches her to hike, say "Hello!" and shoot a bow. In the end, however, circumstances force the grandmother to abandon her slightly eccentric life and return to her old ways...

A woman protects the secrets of a Vienna clothing manufacturer for new dress ideas ,from being stolen by a scheming lady thief.

The film is about a slightly crazy botany professor Ducánek, who is so busy with his scientific experiments that he has completely forgotten that he is married. Neither his housekeeper Veronika nor his friend Potužník knew about the existence of his capricious wife, the operetta diva Lucy. However, when his wife returns home after seven years in remorse, Ducánek takes a complicated action to elegantly get rid of his wife...

A rich bachelor, Pavel Haken, tries - with the help of his faithful servant - to escape the courtship of marriageable young ladies. They meet at a ladies' social club. In the cafeteria there, he is helped by the talkative Andula, the daughter of a poor taxi driver. Haken longs for peace and has a secluded weekend villa built for him. The brief silence that followed his mother's departure is interrupted by the inhabitants of a tent camp. The girls from the club have taken advantage of Mrs. Haken's offer and camped on their property, and Andula helps out in the camp kitchen...

Josef Lachman, once a security officer, serves twelve years for aiding an SS fugitive’s escape. Upon release, he works as a driver on a dam project, hunting buried English pounds Meyer told him about. With miner Rokos’s help, he retrieves the cash and hides it with his daughter Eva, but she spends some at Tuzex, Rokos blackmails him, and they discover the notes are WWII forgeries.

The Czech feature film, based on the book of the same name by J. Sosnar-Gazda, focuses on teenagers. The hero of the film is a boy named Jurášek from the Moravian Slovácko region, who helped the partisans during the war. He confirmed that his father was with the partisans and went to the forest at night to follow him when the partisans were expecting the Soviet paratroopers to jump. Jurášek finds a paratrooper who had been blown aside by the wind and finds a suitable shelter for him where he could heal his injured leg. Jurášek continues to help the partisans a lot. He informs them about the upcoming raid in the village and thus saves the Soviet paratrooper from being captured. When he then accompanies the paratrooper into the forest to a place from where he could safely broadcast, and when he says goodbye to him, he gets into a firefight with the Germans together with him and his bravery stands up well in it.

The heroes of the Czech film comedy are the students of the Business Academy, who sleep in the school desks under the avalanche of a large amount of study material, without which they say they will not be able to do without in their future profession. One of the least popular teachers is the strict and unyielding Professor Wolf, proud of his textbook. Nevertheless, student life is relatively calm, but only until the holidays come and the students go directly to the field for their holiday practice. The film follows how unhappy the first encounter with business reality turned out for three of them, for Karel Zeman, Ivan Javorský and Vašek Pelíšek...

The smooth narration, corresponding to the requirements of a light comedy, develops the smiling and optimistic story of the "one-armed" beggar Dostál, who earned enough money with his excellent begging skills to buy a nice house, become a respectable master of the house, and save the impoverished lawyer Neprosil from poverty, who he contributed regularly to him when he was still well off. He also wanted to get him together with his pretty ward Zorka, for whom he said he would be an ideal husband, but the young people were able to do that by themselves and without his clumsy help, or rather despite his rather ineffective help... The film was shown at the VI. IFF in Venice in 1938.

The story tells of a village girl, falsely accused by her sister-in-law of the murder of her illegitimate child. The unfortunate girl ends up in court, but fortunately her lawyer suspects that passion and hatred rule in this case. Together they search for the child's father, who seduced and abandoned the heroine...

The famous operetta singer Jarmila Kšírová tries to hide her marital status from the sensationalist public. The heroine of the story is the star of the big operetta scene Soňa Jansová. For advertising reasons, it is claimed that she is still single and that she even avoids men. In reality, however, the operetta soubrette has been happily married to Dr. Karel Svoboda for several years and even has a four-year-old daughter, Evička. Her husband pretends to be only her legal representative and only sneaks into her apartment secretly...

The troubles of a young married couple with an overprotective mother and mother-in-law. Usually it ends with a wedding, but this time it begins. Young doctor Petr Dvořák marries the charming Marta Hábová. However, their honeymoon to Venice is unexpectedly complicated by Martina's widowed mother, a rich, kind, but very absent-minded lady. First, they are not allowed to cross the border because they did not declare the things she secretly packed for them for the trip, and then they spend the night behind bars because the mother-in-law, in her absent-mindedness, reports the secretly packed things as stolen after she catches a pair of robbers in her house. It is no wonder that the young marriage is soon shaken to its foundations...