Victor was shot when he was peacefully walking his dog. Who, why, why? His brother Semyon and his neighbor in the stairwell Natasha are lost in guesses. Semyon and Natasha met by chance, but they were immediately drawn to each other... the police are slowly sorting out the murder case, and Victor's relatives, it would seem, continue to live their lives, but step by step they are getting closer to solving it. And how else, if all are connected by invisible threads? You just have to pull the right one and everything will open up…