The action takes place in one of the Transcaucasian republics in the sixties, where a campaign was launched to breed a new animal, the goat, descended from the mountain tour and the domestic goat.

Success accompanies the quartet's performances. But the musicians are tormented by a feeling of dissatisfaction. They believe that when working in a team, they lose their individuality. The quartet finds itself on the verge of collapse. However, the tragic death of one of them forces them to rethink a lot...