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...