To investigate the new case, the whole special brigade of Tanya Sergeeva, accompanied by the chief, went to the Urals. There, in the small town of Loskutovo, the mayor . died. Is it centuries-old - yes, that's right! - the enmity of two local clans, the families of Sharov and Brazhkin, and really reached the point of death? It's not exactly Chicago of the thirties, it's not Italy of the Borgia era... And if the mayor was hit by a car, then several more people clearly died of poison. But the local sorcerers Kudryavtsev, who prepared all sorts of drugs, including very dangerous, have long been dead! Is their potion, which caused something like the flu, able to survive to this day? As soon as Tatiana dug deeper, as it turned out...