To the intolerant and bloody-minded Prague actor Bergner (Milos Kopecký) is the lead in Moliere's Misanthrope which he is studying now as tailor-made. On top of that he is malicious and he advises to the new actress Helenka (Dagmar Havlová) in such a way that she upsets the theatre director. If Bergner accuses somebody of a mischief and he is wrong, he never apologizes. When he almost crashes an older elegant lady by his car on the zebra crossing, instead of an apology he calls her an old ballet dancer... But in Brno's TV he takes part in a discussion on manners and he gives himself as an example of good manners and grace. In the train he meets a magic old man (Ladislav Pesek) who warns him and admonishes him to change his behavior. After he arrives to Prague the old man's threat comes true.

Mr. Novak tells a lie to his neighbor Mrs. Bartackova that her husband is unfaithful to her and that is how it all started.

An only son, Jirí Valenta (Jaromír Hanzlík), has been drafted to the army. At the barracks he acquires the nickname Seamstress because he sews rugs in his spare time. One day, his friend introduces him to Julka Vávrová (Jorga Kotrbová), a girl he is desperate to get rid of. The naive Jirí falls in love with the girl and accepts her invitation to spend Easter together in the country. There he learns that the girl is the single mother of the young boy Martínek, whose father is the married tractor driver.

There are still water spirits among us. One group lives in Prague, led by Mr. Wassermann, who is using his wife's family as a servants. All they need is their old house near the river. But the house is to be demolished. They have to stop it. And the only way is to drown Dr. Mrácek, who is responsible for the demolition. But he falls in love with Wassermann's niece Jana. He changes to fish, is mistaken for water spirit from Germany, is drowned and revived again. The other problem is the flour with ears... and so on...

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).