The drama from the time of the Nazi occupation begins at the train station, where a transport with German soldiers is passing. The train is stopped due to improvised sabotage by one of the railway workers. Resistance liaison Růžena Kubínová is arrested in a random raid. The cynical councilor Dönnert discovers her false documents and has her brutally interrogated. He suspects that she could contribute to exposing the entire group. He puts a informant, Herta, in her cell.

A young boy from Prague is trying to find a Soviet soldier from the old 1945 picture.

Worker Šebesta does not rejoice with the others in the May Day parade, as his boots are weighing him down. The following working day does not bring him a good mood either. At a plant-wide meeting, he comes into conflict with the young striker Brejcha from the United Engineering Works. He demands an increase in the production of heating elements so that the new hall can be completed before the deadline. The workers react to his passionate speech about the improvement efforts with distrust and, with a bit of mockery, challenge him to prove his words with action in their plant...

Young couple Eva and Jarda Tům face housing shortages just as Eva miraculously gives birth to quintuplets, drawing intense media and state attention. Authorities install them in a high-tech villa monitored by a commission led by Drahoslav Svitáček. As intrusive experiments, constant scrutiny, and malfunctioning gadgets strain their family life, a planned railway project momentarily frees them. Eva conceives again, but when only one baby arrives amid fading public interest, the state and the spotlight move on.

Young bricklayers Franta Doubrav and his friend Béla meet two girls, Mařka and Vlasta, on their way back from a friend's wedding, but they only manage to call them by their name and the construction site they are currently working on. Imagine their surprise when they discover that Mařka is a trained bricklayer who has joined Franta's father's work crew, where she proposes a new way of working that will help catch up on the construction delays. As a young girl, however, she must first deal with the distrust of the older and more experienced bricklayers.

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...