Waves of the Black Sea are crashing against the pier, the sun is shining and the sky is blue. Children's orchestra "Dixieland" is playing a march. The teacher is listening. It seems that the happiness will last forever, but growing up is inevitable. Suddenly, it turns out that the teacher is mortal, and your friends have their own plans for life. Medals and orchestral instruments are glittering in the sun, but every child has their personal destiny - with or without music.