An easy-going Sergei Ivanov is a good socialite. He's also a regular investigator of the Municipal Office of Attorneys of the fictious city of Chebotaisk. His job makes him a real crime buster. Still many people call him a windbag and a cheap clown behind his back. But when it comes to fighting crimes, this easy-going man a ruthless backbone. His life credo is to burst the criminal businessmen of the city of Chebotaisk and their boss Antol Polyakov who deals in illegal precious metals, drugs and weapons. But the fights is really hard as the mob mogul is known to the public as a prominent businessman and a supporter of the arts.