Sunday in September 1977, a celebration of the Miners Day. The old Hepnar is sitting at the cemetery and is recalling events from ten years ago. That time the representative of the ministry Barvír announced at the miners meeting that mining in the mines would decrease. He reasoned this decision by the fact the deposits of coal are almost used up. The boss of the mine and most of the miners protested. Barvír did not take their critical objections into account. He announced at the communist district meeting the closure of the business as the mine according to new economic principles did not prosper.
A Czech agricultural student, Šimon Plánička, arrives at the small South Bohemian town of Hoštice, and joins the local JZD (agricultural co-op) with the intention of trying out his experiment regarding the "Milk yield of cows in regards to a cultured environment". He runs into difficulty with the directorship of the JZD, but he finds them eager to help once they hear he's the son of the local agricultural commissioner, as his last name is also Plánička. Blažena Škopková is given the task of finding out how things are looking. However everything is complicated by the jealousy of Blažena's boyfriend Venca.
Postwoman Mrs Skorepa, her husband the ambulance driver Mr Skorepa and their eleven-year-old twins Petr and Pavel live in Prague in Malá Strana (Lesser Town), one of the Prague's historical and oldest quarters. The boys are crazy about cars and everything linked to them. They don't share their father's love of classical music. On the other hand, they are crazy about the newly announced scrap yard competition for paper collection. The lottery tickets awarded for every ten kilograms of old paper collected could win them a go-kart.
Roman Hlava grew up with his diplomat parents in Latin America where he had been home-schooled by his over doting mother. The over indulgence of affection and praise has given the boy an over confidence. This is quickly squashed by his new peers when the family returns to the Czech Republic. This leads to neurotic tics and the nickname Mrkácek the 'Blinker.' A stay at a children's camp provides new friends, acceptance, an appreciation of nature, a new outlook on life, and loss of the tics.
Dana is young medical student with no self esteem, she can't deal with life, people and even not with herself. After her boyfriend leaves her, she changes to selfish woman, manipulating people and making them to serve her. She plays with her husband, neighbors and friends - for her own good and for fun.