Aleksandr Dobrikov

Twelve-year-old Nina's mom returns from a trip and finds out that her daughter is in the hospital. The reason for the girl's state of shock is the loss of her beloved dog. The dog faces many challenges and adventures on the way to his home.

A rural teacher, whose letters to Leo Tolstoy are read in the movie, sees the meaning of his work not just in teaching children to read and write, but in the education of human personality.