Student Alexander is Nervous all night preparing for the exam and does not notice how the morning comes. School. Class. Teacher Galina Ivanovna Groznaya calls him to the blackboard. It's time to answer the ticket, but Sasha's head is all mixed up with fear. An empty look. White noise, and only animal screams of horror resound in his head. Will he be able to calm his inner fears and find a brain among the jumbled scraps of knowledge in his head?