With the summer season in Smolensk, not only warmth has appeared, but also new characters — from the girl Mila, who witnessed strange murders, to a new investigator who came to the city many years ago and is now surprised to discover a familiar face at the local police station. Slava's grandfather's family has a lot of challenges ahead of them: they need to keep their secret, protect the city from the forces of evil again, and... get along with a new Guardian.