Delinquent youths wander aimlessly and commit mischief. Few, however, manage to break free from the influence of such a gang. One of the lucky ones is a girl who grew up in an orphanage - already reformed and reformed, she remembers her dark past.

Two marriageable girls, Princess Disperanda and her maid Káča, sign a betrothal with their own blood in exchange for fairy-tale grooms. Although both devilish betrothals accidentally fall into the hands of the brave retired soldier Martin Kabát, the cunning devil Solfernus takes possession of them through cunning, and Martin has no choice but to go to the burning hell.

A man and a woman from a different planet come to the Earth to get a cure for a disease that is apparently threatening to eradicate their civilisation.

A very hardworking but also very naive insurance company clerk, Valentin Plavec, becomes the target of endless pranks, jokes and recessions from his colleagues Bejšovec and Voborník. However, their last successful trick somewhat gets out of hand. They add a one to the winning number 8456 and convince Valentin that he has won a million in the lottery. However, since Valentin cannot collect his winnings immediately, he withdraws twenty thousand, which is all the savings he has saved together with his fiancée Helena, and starts shopping for a deposit. However, the truth soon comes out and when his colleagues reveal to him that it was just a joke, they all leave him, only the faithful Helena stays and even helps the unfortunate fiancé cancel all the deposits and agreed deals. When the newspaper reports that there has been a mistake and the winning ticket is number 18456, Valentin decides to take revenge on the two pranksters...

The theme is inspired by the real life stories of Czechoslovak cyclists Jan Vesely and Jan Kubro. It offers us a look behind the scenes of big races, conflicts with coaches and inner tensions in borderline situations.

The wealthy factory owner Osten has achieved his position thanks to his energy and diligence. However, he has one weakness - he cannot admit that he too must grow old one day. What scares him most is the thought of becoming a grandfather. To prevent this, he is willing to become a rival in love with his own son. One day, Jiří has ​​had enough of his father's actions and decides to leave his house and his comfortable life. He even changes his name and starts working in a competing factory as an ordinary worker to prove to his father that he too is capable of working his way up from scratch. That is when Jiří meets the energetic seamstress Tonička, who is studying in the evenings to become an office worker. The young people are happy together, but the factory owner Osten comes between them. He offers Tonička a position as a secretary and is ready to win her over...

Young doctor Hájek has been looking for a job for a long time in vain. But luck has smiled on him a little - he has won a competition for the best advertising slogan, which was held by the factory owner Bárta. The prize is a stay in a luxurious mountain hotel. At the same time, Bárta is also leaving for the same winter resort, but on a whim he decides to use a false name and pretend to be a poor man. It is therefore not surprising that the hotel staff gets confused when accommodating the two guests. The poor young man receives all sorts of honors and favors, the factory owner huddles in a small room without heating. In addition, Bárta's cute daughter appears on the scene, and all sorts of complications are not long in coming.

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.

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