Олдскул S01E11 - Серия 11

Another terrible discovery strikes the head teacher of educational work: Natalia notices a louse in the student's hair. Panic reigns in the staff room. The director asks not to tell parents about what is happening and forces the team to think of a more secretive way to get rid of pediculosis. But the smell of kerosene and childhood injuries is much more difficult to eradicate than arthropod pests.