Adapted from the opera written by the composer Semen Hulak-Artemovsky.

The old man Leki Amzat lives with his grandchildren, Ajar and Ramazan. Ramazan is a tractor driver. Their friend, Jangir, a Komsomol member, visits the young people. This does not please the merchant Mirza, who wants to marry Ajar. From the warehouse manager of the Soviet farm, Bigai, he learns that Jangir is the son of the murderer of Ramazan's father and informs Amzat and Ramazan of this. The old man demands a blood test. Ramazan makes a decision, but when he meets face to face, he refuses his intention. Then Amzat asks Mirza to kill Jangir. Ajar, who loves Ramazan, tries to warn him. Mirza runs into the girl and arrests her. Ramazan and Jangir come to the rescue and capture Mirza. The wounded Ajar is taken to the hospital. Eventually, the second villain, Bigai, is exposed, who turns out to be a former Bokauli.

A group of young geologists will try to explore the Tsani Gorge in the Caucasus Mountains. But the geologists lack the experience of mountaineers and their attempt fails. The geologists organize a hike again under the leadership of experienced mountaineers, young engineers - Osiko and Tite. The geologists are on the top of the mountain to determine the thickness of the ore layer. Suddenly, a storm breaks out. To save the geologists in danger, a rescue squad sets off from the mountaineering station. The geologists carry out their task and return safely.