The story of high school students, talented Jan and Karel, who has a problem with math. Their life affects pedantic professor of mathematics Klec, that goes with them on a school trip, which escalates the conflict between them. Jan wants to escape, but Professor Donat will discourage him. Karel fails the exam of mathematics and decides to commit suicide.
Jindřich Plachta
František Smolík
Antonín Novotný
Miroslav Svoboda
Gustav Hilmar
