Alla could not find a place for herself - Olya disappeared, and she never managed to formalize guardianship over the girl! Olya’s parents disappeared several months ago, and now it’s their daughter’s turn...Private detective Sergei Koltsov decided to spend his vacation at his parents’ house. However, the vacation was interrupted when, on the way to the store, his mother discovered the body of a murdered girl. Koltsov did not yet know that he would have to conduct not one, but two things at the same time... Nastya could not get out of the depression that was strangling her. And only participation in the search for the missing girl, which was carried out by her neighbor Sergei, helped her return to life and understand: there is no point in angering fate... According to the “theory of six handshakes,” we are all connected to each other by invisible ties. But few people realize how dangerous these connections can be...