February 1948. The struggle of decisive social forces for the heart of Europe.

Everyone says he is incorrigible... Little Robert is an only child who has everything, he needed to be responsible for something, to take care of something. At least that's what the roommate of the apartment building where Robert lives thought, and sent him a live guinea pig by mail. The guinea pig gets lost in the apartment and Robert, to the amazement of his parents, studies books about animals and is sad that he lost the guinea pig. Imagine the astonishment of his father and his colleagues from the design studio when the father finds the guinea pig in his briefcase...

Ing. Bernard announces that his wife has not returned from visiting relatives in Berlin. Lieutenant Tereza Machátová, who together with Captain Landa is investigating the matter, puts the facts into connection with the discovery of the drowned woman's body.

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).

Shortish forty-year old Ludvík Podzimek, lute and flute player in a Prague orchestra, is far from being an attractive man. He is nevertheless generally considered a great 'Don Juan'. Women take up with him out of a certain motherly compassion and Ludvík's tender heart does not allow him to split with any of them. His lovers thus accumulate and cause him numerous troubles.

The play about the life of Eliška, the last of the Přemyslid dynasty, follows ten years of her life journey from the moment of her marriage to John of Luxembourg to her rejection by the king in 1320.