An experienced virologist, Anya Markova, gives up her personal and professional life in Moscow and moves to work at a research center in Novosibirsk. She is clearly trying to escape from some personal pain, but in a new place fate throws the heroine another test - an outbreak of an unknown disease is recorded at the site of an illegal dump of a large meat processing plant in a remote village.
Again, a commotion in a small Volga town, a girl disappeared again, they are again looking for a maniac. Zhenya is the only one who knows the truth: the death of the child was an accident. Actually, the girl died almost before his eyes. Only he does not dare to tell this truth to anyone. The fact is that Zhenya was released from prison a couple of days ago, and the sister of the deceased child is Zhenya's ex-girlfriend who left him. The ideal accused. And Zhenya embarks on a difficult, humiliating, dangerous operation to secretly bury a corpse, but if he can go to the end in his deceit, he will lose himself.
Rita, a social worker, is conducting an experiment: she organizes an extreme campaign in which she plans to re-educate young offenders. The hike is unexpectedly interrupted by the news of a murder in the group. The teenagers, not believing in a fair trial, decide to run higher into the mountains, taking Rita hostage. Rita's husband goes in search of them, unaware that he has to learn something unexpected about the woman he loves and his marriage.