Placek (Josef Kemr), the head of research in a chemical plant, appreciates the help of his younger colleague Bernát (Alois Svehlík) in the creation of a new synthetic material.

The mother is trying to prevent the break-up of a marriage of many years. She knows about her husband's infidelity, but fears his leaving the family with the teenage children. But the crisis seems inevitable...

The story of a poor, disintegrating family of a mother Fišerová and her three children. It is set in the 1890s - a time when the poor working classes did not yet have the right to vote or a permanent eight-hour working day.

The group of mining foreman Kohut is about to enter the competition for the title of Brigade of Socialist Labour. All the men are in favour, only young Ondracka needs to be firmly re-educated...

The leader of the fast-track workers' party is appointed worker director of the unprofitable Lucie mine. The wrong decisions he makes to increase production at any cost and to fulfil an unrealistic plan lead to a catastrophe in which his son is accidentally killed. After overwhelming criticism, the failed director wants to quit, but the senior management and party authorities continue to have faith in him...

A young father spends Sunday with his young daughter.