It seemed that nothing could bring the impudent, uncontrollable 10-year-old Dunka Tsyganova to her senses. She is bored among her peers, but a group of high school students is just right. Everything that is associated with risk, danger, and recklessness is her element. Not stupid and kind at heart, she often regrets her hooligan antics, but every time it’s as if some demon pushes her under the elbow: she can’t help but pull out another trick. But time passes, and the seemingly incorrigible Dunka changes. Whose credit is there for this? How does a headstrong, desperate, reckless girl who terrorizes the entire school grow into a responsible, fearless, independent person? This is the story of N. Vasilyeva. For middle school age.