Thirteen people have gathered at Mayor Bartoš's. The company is uneasy about this number and therefore warmly welcomes the fourteenth guest, who is the new librarian Pavel Čtrnáctý...

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...

Orphan Petr lives with his dog Puntja with his aunt. His uncle Gustav wants to get rid of Peter and puts him in an orphanage. Peter escapes from there and looks for his Punt. He finds him with the cool Tobias, but he doesn't want to give him back to Peter. Only when he sees how much the boy and the dog love each other does he let them both stay with him...

Teacher František Kmoch is suspended because he plays at dances or composes at night. He forms a band in Kolín and his supporter Baron Hrubý helps him perform in public. His music is popular not only at home but also around the world...

The stuffed animal dealer Václav Barvínek spent twenty-four hours in prison for a petty dispute. And that very day, his uncle's will was read, stating that the deceased had hidden a check for a million crowns somewhere. If it was not cashed by the appointed time, the entire amount would go to charity. The other relatives looted all the movable property, and only an abandoned Saint Bernard remained in the uncle's villa, which the kind-hearted Mr. Barvínek took in. The cheated heir continues to lead a simple life and has no idea that wealth is within reach. He has quite different worries - the heart of the elderly fat man has burned with love for a girl whose friendliness he misinterpreted...