About the family of the old man Achila-Buva, about his children and grandchildren living in an Uzbek village, about an old plane tree covering the saplings with its branches.

At the ninth grader, Anvar, it would seem, everything is safe both in the family and at school. But the boy did not find a common language with his father, and an unclean person took advantage of this. Anwar, involved in extortion, could not reconcile his conscience with a dirty deed. Only the tragic death of the boy revealed the criminal.