Three police captains serve in a provincial town. They are united not only by the service, but also by true male friendship, sealed by more than one jointly conducted dangerous operation. And now their small town is shocked by the brutal murder of a famous antiquary. Not only a man is killed, a collection of the rarest and expensive prints of the eighteenth century is stolen. Leshchinskiy, Gorbatenko and Khludov take up the search for criminals.