During World War II, a plane transfers Bulgarian antifascists from the USSR to Bulgaria. They jump with parachutes. The eighth paratrooper heads a guerilla group. In the group, there are doubts about the existence of a traitor. Initially, an innocent person is accused, but later the real traitor is caught and killed. Still, the most dangerous enemies of the guerillas are the colonel and the troops stationed in the nearby village. The battle between them and the guerillas is won by the latter who continue to fight for their cause.

Dimo Manchev (Partsalev), a 50-year-old head of family, has a conservative notion of upbringing and morality. Being familiar with his disposition, the Manchev's daughter Lili (Bratanova) married his sweetheart Plamen (Gadzhokov) in secret. The young couple cast about how to announce the marriage all the more that they are both still students studying in university. The hesitation grows when the father shows strictness even though they present their relation as some university friendship.

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.