První parta: The unfortunate 1930s also befell the student Standa Půlpán. For existential reasons, he had to abandon his studies and entered the mines. However, he only slowly and with difficulty became close to the older miners, rough men who were closed in on themselves. Only his brave stand in rescuing people who were trapped in a mining accident will win him the solidarity of the entire mining collective. Even Karel Čapek's draft once lent itself to promoting an exacerbated class interpretation of social relations.