It is the 1920's. The good-looking hostess Věra demonstrates household robots to visitors of the Futurum exhibition. Young inventor Petr comes to her rescue when she tries to flee from two men wanting to take her away. Věra confesses that she has fled from home because her father, a factory owner, wanted to profitably marry her off. Petr is fascinated by the emancipated woman and shows her round his laboratory, where he plans to create a robot of his own - but one that would be far more advanced. Věra cuts herself on a broken test-tube and a drop of her blood gets in the solution. In the morning, they are taken aback to see Věra's double. This lucky chance has helped Petr create an artificial being, Miss Golem. She has a single motive for her actions: to take care of Věra and allow her to do only what is good for her.
The bank officer Bedrich Hroch is sent by the bank director to the zoo, which asked an allocation of one and half kg of gold for a gold tooth for a hippo. During the check up of the hippo's teeth Bedrich is swallowed by the hippo. The man does not die in the hippo's guts and he chats quite happily with his frightened wife Dása. Journalist Pip Karen, his friend is also present to the dialogue and he has immediately an idea how to use this special situation. He tells to the new minister Borovec and his opponent professor Fibinger that there is a hippo in the zoo which can speak. He also tells them how to use this situation for a political propaganda.
In the aftermath of World War II, a soldier takes charge of a manor formerly owned by a German family and falls in love with the daughter, now a maid. Their relationship forces him to confront the tension between his love and his conscience.
In the 1600s, an overzealous clergy hauls innocent women in front of tribunals, forces them to confess to imaginary witchery, and engages in brutal torture and persecution of their subjects.
It is 5 May 1945 and the uprising against the hated German occupiers has broken out in Prague. The Czech guards open the gate of the Pankrác prison to allow the prisoners to escape en masse. Many of them are shot dead by the German guards but young Ruda (Jaromír Hanzlík) manages to run away. He is taken care of by one of the Prague fighters, concierge Kytka. Kytka hides him in the flat of the house's owner where only the young maid Karla (Jana Brejchová) is left, ordering her to take care of Ruda.
Cast out by his father, young Ondrej joins the Order of the Teutonic Knights, where he is raised by strict monk Armin. After years of hardship, Ondrej escapes from the Order when he is wrongly punished, and sets out for his former home. Arriving to discover his father to be dead, Ondrej now not only assumes control of his father's properties, but seeks to marry his former stepmother.
In the forest near the village of Drahovice, a nurse from the local health center is found murdered. Three months ago, another young woman died nearby and a sexual motive was proved in the case of her murder. In the case of the nurse, the motives are not so clear. Two criminologists from Prague - Major Kalas (Rudolf Hrusínský) and Lieutenant Varga (Radoslav Brzobohatý) - patiently collect all available leads and question the villagers.
A car deliberately runs down a young man on a road by a small border town. The locals recognize the dead man as one of the students who were there on volunteer work some time before. The police detectives, Major Kalas (Rudolf Hrusínský) and Lieutenant Varga (Radoslav Brzobohatý) can then get on the trail of the people with whom the victim was involved, especially at the photographic studio headed by Bohuslav Pacer (Bohus Záhorský).