A crime has been committed. The worst thing is murder... Who is the culprit? What are the motives for the crime? These and many related questions face police colonel Drobyshev and senior lieutenant Samarin. During the investigation, they encounter young people whose spiritual poverty is terrible in its moral consequences.

A young cashier of one of the enterprises with a large sum of money disappears. A group of employees of the Criminal Investigation Department is involved in the work.

A young 19-year old girl Anastasia (O.Bobyleva) comes to a big Siberian construction site. She dreams of being a welder, but at the moment there are no vacancies, and she has to begin her labor activity in a canteen. And after a local kinder garden is left without a mentor, nobody can fancy a better candidate that Nastya. She loves kids, and the main thing is that the feeling is mutual. Once during a storm an accident happens a motor-launch, carrying workers across a river, crashes. Three children become orphans. Nastya doesnt let the construction head send them to the orphanage and decides to adopt them.