About the book: 2024 / A graduation party ends in murder. The investigator, the director, parents and the schoolchildren themselves are trying to understand what led to this tragedy. But the more the investigator dives into the story, the more clearly he realizes: teachers are far from school life, parents know nothing about their children, and children can be cruel. Why do yesterday's friends bully you so easily today? Novel by Asya Volodina (“Protagonist”) based on the script by Ekaterina Tirdatova for the series “Cicadas”».