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...

She loved her sons more than anything in the world and did everything in her power to put them on their feet. Is it possible to understand why she kicked one of them out? Why did he leave, who knows? Because it was a shame, my heart was torn apart or because I was young? Then Sasha was 16. For twenty years, Alexander has achieved success, he is selflessly passionate about children's theater. His woman is a flamenco dancer. The money for the apartment has been collected, and life promises to get better...

Investigator Mukaev is found severely beaten in the park. He completely lost his memory. Back at work, Mukaev learns that he was hunting a serial killer before the attack. Shortly before this incident, Mukaev had suspended everyone from conducting the case and only he had all the information about the case. Resuming the search for the maniac, the investigator learns that all the victims were once his mistresses...It soon turns out that someone is deliberately setting him up, planting evidence confirming his guilt. The atmosphere in the investigation team is heating up... The circle narrows, and then the hero realizes that he is at the center of suspicion, and it is better not to return to his past life...