The story is about why people's destinies are intertwined, how they influence each other and how this changes the world around us.

Parents of thirteen years old Lena just got divorced. Lena wants to prove that they live nicely even with her mother alone and that she is independent. The girl goes to work at post office utilizing there her resourcefulness and charm. At work everyone talks about a serial killer who keeps the entire region in terror. One night a stranger defends Lena from some hooligans and as Lena thinks, he continues assisting her incognito. The girl is ready to believe and convince others that her protector is that horrible maniac. At first, these relationships with her odd admirer seem as a gamble for Lena, but then she gets convinced that this game became deadly dangerous...

Pavel Ivanovich Shumov is a public assessor of the court, an engineer, and a good family man. At the next court hearing, some circumstances of the defendant’s life convince the hero that this is his son. Shumov is looking for the defendant’s mother and, not recognizing her as the woman he once loved, returns home...

After returning from the army, Sasha learns that Tonya, whom he loves, met another guy, became a mother, is raising a child and works in an oil field in the Gomel region. Sasha goes to the oil field to see Tonya for a possible explanation.