A family movie about a group of young children responsible for the bear cubs training in the Prague Zoo.

Although the emancipated editor of a women's magazine proclaims that grandparents in particular should not be abused by their adult children, she accepts without scruple the fact that her mother, still a sprightly pensioner, works in her household as a jack-of-all-trades without receiving not only any pay but also no recognition. However, the grandmother learns from an article written by her daughter - and rebels.

A bunch of old friends reunite for the start of the rail tunnel construction. The miner Vojta Balvín is a dedicated worker, but at the same time a stubborn man. It is only a work accident that clarifies relations between him and the other workers...