You won’t get bored in operational work, Major Vershinin knows that for sure. Whether it's the kidnapping of a little girl or the double murder of businessmen, a persistent and attentive operative will solve any crime. However, a suspicious accident involving a talented guitarist of an aspiring rock band puts Vershinin at a dead end. It seems that the musician turned all his acquaintances against him - which means that one of them was involved in the death of the guy. Or maybe this is a conspiracy? However, soon misfortunes begin to haunt other members of the group: road accidents, electric shock... Who set out to destroy the group?