Dolgat and Ismail are friends; they work in 19th century Karachai-Balkaria in wood-industry. Ismail by accident kills brother of Dolgat. He believes that it happens by chance and does not think that his best mate is guilty. But mountain community demands for a vendetta.

A group of students from Tbilisi is sent to practice with shepherds. Here, the goods are treated by old methods with the advice of doctors. Students begin to use new methods of treatment. They are fiercely opposed by the doctors. One of them also commits evil deeds: he calls a sheep suffering from anthrax in the kolmeurneo flock. The sheep dies. Practitioners are trying their best to save the flock of sheep. Vaccination will be carried out immediately. Timely measures will yield results