After finishing school, three friends go to Chiatura for work. Two of them start working in a black stone mine, and the third, Bondo, works as a driver in a lumber yard. Friends' paths divide here. With the advice of the warehouse manager, Bondo gets used to easy income and does not shy away from dark affairs.

The enemy of the collective farm movement, Kirile, with his advice, confuses the chairman of the collective farm “Orange Valley”, Tedo, who believes in his support. He tries to turn Tedo and Giorgi, who has recently returned from the civil service into enemies.

Working peasants Sardioni and Yagora are friends. Yagora and fellow villagers do not know that Sardion is a foreign intelligence agent. Yagora's son, Nodar, who fled abroad during the civil war, will perform the task of foreign intelligence and sneak saboteurs into his homeland under the guidance of Sardion. Persecuted by the border guards, Nodar takes refuge in his father's house. Yagora will condemn her son's behavior and support his arrest.