Learning too late that her husband and father of her child are a thug and a murderer, Nadia tells her son that his mountaineering dad has died in the mountains. With that thought, Vanya lives eleven years. Until Andrew appears on his own person in their apartment, released from prison for amnesty. There is an inevitable fear in Nadi's heart. Not only for his own life, but also for Vani's future. After all, the "science" of an unexpectedly acquired father finds a response in the soul of a timid boy. If you lack strength, you need cunning and anger. Using Andrew's "lesson", Vanya beats a classmate from whom he has repeatedly received. Then only more. Andrew is going to take Vanya to a real "cause". One Nadia does not cope with and protect her from the influence of a teenage son. But there is a friend next to her. And let him be just a school teacher, with him Nadia feels protected ...