This story of the Nazi prison camps in the 1930s deals with the attempts of the Nazi guards to break the spirit of the Communists in concentration camps.
After graduation, Nadia Kulagina comes to work in a school where she once studied. After her appearance, the most hopeless student Dimka Lopatin, who was even wanted to be expelled from school, becomes one of the best students and a faithful friend of the new class teacher.
