A group of children is trying to solve a mystery related to the diamonds smuggling.

It is the summer of 1968 and also in South Moravian Pálavice appear political clashes. The so far peacefully farming Unified farmers' cooperative starts splitting. Some of the farmers have found the cooperative called Vidrupa and want to deal with wine in private trade. Michal Janák, chairman of the farmers' cooperative is a deliberate man and refuses the latent return to the capitalism. As an excellent farmer he continues preparing planting out new vineyards. His adversaries do not agree - the returns will come many years later. Jozka Hrdlicka, an émigré, notices on the Austrian TV the interview with the representatives of Vidrupa and decides to visit his native village. The new suit and the hired car transform the bankrupt and criminal to the successful businessman with wine.

On 20th of April 1945 the Soviet army launches its attack on Berlin. The end has come for Nazi Germany and Hitler decides to commit suicide. In Prague K.H. Frank (Nazi Secretary of State and Chief of police in the Protectorate of Bohemia a Moravia) discusses with his commanders how to transform the city into an impregnable fortress, but the Praguers do not intend to wait any longer. From the early hours of 4th of May people start assembling in the streets and tearing down German signs. On the next day, the 5th of May, the uprising begins.

Vera, wife of the plumber Simandl (Josef Somr), is found murdered in the cinema next to the IDOC (Information and Documentation) agency where she worked. Police captain Marha (Frantisek Nemec), who is leading the investigation, is informed by Simandl that on the day of the murder Vera promised to bring home fifty thousand crowns to buy a car. Marha's primary suspects are the three men working at the agency: deputy editor-in-chief Brandl (Jirí Pleskot) and editors Pernata (Eduard Cupák) and Remes (Ludek Munzar, and of course also Simandl.

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.

Maniac, a driver, sits on the track women, which then rape and kill. For loved ones, he is an ordinary person who has a wife and child. When exposed, he does not stop before killing his wife and takes his son hostage, under the guise of which he is trying to escape abroad.

A story about a young medical school student and his adventures.