Though initially appearing to be her friends, they quickly display high degrees of callousness when they treat it as a joke when one of their classmates is killed trying to lie beneath a moving train, an activity the group indulges in out of boredom.

Their teachers, meanwhile, treat the corrections class with contempt and show absolutely no desire to motivate the students or help them improve.

After stealing her wheelchair, they separate her from Anton, and Mishka and Mitka attempt to rape Lena while Vitka and Olya shoot video on their phones.

The final day of school arrives and the students get their results - every one of them has passed, except for Lena, who the commission votes to keep on in the corrections class another year.

Tverdovskii provides us with a powerful image combining all these topics – that of newly installed tracks for Lena’s wheelchair which prove useless.