In one of Petersburg apartments the unusual brownie was brought. He drinks all alcohol in the house where his owners wouldn't hide a bottle. As a result they can't even celebrate, properly, at a table public and personal holidays. Journalists come to the rescue of poor fellows and arrange the real hunting for the brownie. As always, as a result they appear the victims of the next fraud. In parallel with their investigations, the Russkiye Strashilki newspaper joins in campaign for promotion of the editor-in-chief Pyotr Smelov by the deputy in City Council.

Masha Palkina dreams to make of the dear friend - a centaur of Yura Gorbunov who lives in the settlement of Zagibalovo, the full-fledged person. For this purpose she suits it in the certain closed research center where are engaged in development of ways of cloning. Scientists are going to clone human part of Gorbunov that then to use bodies from a donor clone for the subsequent operation on separation of the person from a horse. However results of experiment don't suit scientists: instead of a full-fledged clone at them at first some "Tyani-Tolkay", then the same centaur, as well as Gorbunov turns out. However the clonings which are fanatically betrayed to idea, scientists are going to continue experiments to the bitter end. And Yura Gorbunov, having got acquainted with the clone, like to it fraternal affection and to rescue that from "utilization", makes with it escape from clinic. And here two brothers centaurs rush across St. Petersburg, admiring its beauty. And at this time they are searched already actively by city militia...