1920 year. Having been wounded, the Red Armyman Yusalov arrives in the Kuban village and organizes a music school here, learns the Internationale with his students, and sets up the first revolutionary performance. All this causes fierce hatred among the kulaks, they kill the Red Army. After many years, a new music school will be built in the village and named after the dead hero.
From the life of one of the leading Kuban horse breeding collective farms. Veterinarian Mitrich, a disguised enemy who follows all the instructions of yesaul Soroka, sets about the main task - to destroy the entire collective farm herd. But the criminals will be detained on time, and in the autumn the collective farm will see off young Cossacks to the Red Army.
