1197. King Kaloyan ascends the throne in hard times for Bulgaria. The country is still recovering from a century of Byzantine subjugation. He is forced to carry out a very flexible foreign policy in order to strength his positions. Pope Innocent III recognizes him as Emperor (Tsar), but a little later the fourth Crusade crosses the country under Emperor Baldwin. A new conflict is coming. Tsar Kaloyan wages the decisive battle at Adrianople and wins.

Мinko, a storekeeper in "The Black River" logging camp courts his assistant Sevda. He goes down to the town hoping to be with her on New Year's Eve. There he spots his wife Donka arriving from the village. Minko keeps out of sight and Donka sets out for the "The Black River". The lorry driver Dobri joins her. During the long and difficult journey over the snow-covered mountain, the two are attracted to each other.

Scenes from the life and revolutionary activity of poet Nikola Vaptzarov are shown against the background of political life in Bulgaria on the eve of World War II.

Gaffer Yordan the Gerak is a wealthy farmer with a large family. The Geraks live in harmony as long as his wife is alive. After her death, disagreement and strife erupt among them. Two of the sons, Bozhan and Peter, demand the partition of their father's real estate. The third son, Pavel, who is doing his military service in the town, has become estranged from the land and from his family. When Pavel returns home only to ask money from his father, Gaffer Yordan discovers that he has been robbed. His sons trade accusations and come to blows. Pavel goes back to his mistress in the city. Elka, Pavel's wife, falls ill with a venereal disease she has contracted from his husband. On a dark and stormy night Elka is about to drown herself in the river when the Gerak's old farmhand takes her back home. Before long, Elka dies, as does Gaffer Yordan. Bozhan fells the centenarian pine tree in the yard of the family home, which symbolized the patriarchal ways of the Geraks.

Follows the Bulgarian people's struggle for national independence in the period from 1875 to the Liberation from Otoman bondage.

The action takes place in the last years of the Second World War, immediately before the socialist revolution in Bulgaria. It centers on the life of the middle-class family of Lazarov, which is torn by the sharp political contradictions taking place against the background of the popular struggle against fascism. The father Vitan goes through terrible mental traumas, which are the price, he has to pay for his illusions that in such clashes one can remain neutral and free from politics. The partisans execute the son Boris - a fascist officer, a sadist and a murderer. The daughter Lily is forced to search for her place in the conflict between the representatives of two hostile worlds - that of fascist brother and her husband - a communist and a revolutionary.

The university student Bobchev joins a youth brigade. The commander's council entrust Bobchev with a literacy course for members of the brigade. Velizarov and Monkata arrive in the camp to carry out sabotage. They place explosives on the dam, and attempt to win Bobchev over by means of intrigue. There is a storm: the camp is put on the alert. Everyone joins the rescue work at the dam. After a long struggle with Velizarov, Bobchev cuts the burning fuse of the explosive. The dam does not yield to the pressure of the flood. Everymen sing in Jubilation.

The construction of the first socialist town in Bulgaria - Dimitrovgrad.

In 1933 Berlin, Bulgarian communist Georgi Dimitrov is caught up in the Reichstag fire trials when Nazis seek to frame communists. Despite orchestrated provocations and mass repression, Dimitrov’s defiant courtroom defense exposes the baseless charges, forcing his acquittal and securing him political asylum in the Soviet Union.

A quite line in the capital city. A little girl, Veseto, slips out of home unnoticed, attracted by the voices of children playing in the yard. when the kids get tired of playing hide-and-seek, they scatter and Veseto sets out in a long stroll across the city, full of exciting adventures. She talks to a chimney sweep, stops to look at some land surveyors at work, watches an interesting football game at the stadium, enjoys herself at the fair, extemporizes as an actress and has a trying experience on a building site. All the people in the neighborhood start looking for the lost child. In the evening, Veseto reappears. She is back to the arms of her mother, while the people in the neighborhood prove by deeds their human solidarity, their love for children and their resolve to struggle for peace, a must for children's future all over the world.