People are already accustomed to the fact that the police catch the wrong people, the court judges the wrong people, officials do the wrong things, and deputies think in the wrong place. Honest ordinary people have a desire to find justice themselves and punish the villains. The police accused the elderly jeweler Shatilov of raiding his own store and killing a security guard. This is a very convenient version! If you put the finishing touches on the old man during interrogations, then you can close the case and put a tick. And so the jeweler’s son-in-law Vadim Dunaev has to attract friends and investigate this story, and then a number of other complicated cases. Four "Avengers" expose thefts in museums, explosions in a hospital, murders during the construction of elite cottages. And the basis of all crimes is the greed of small oligarchs. They already have everything, but they want to have more, more and more...