Misha Aristov had been living and working in Australia for a long time, but after divorcing his wife, he decided to return to his homeland. He didn't realize that in Russia, the legislation and judicial system work completely differently than in the West. Upon his return, Misha unintentionally found himself involved in a street fight, which resulted in a criminal case being opened against him. In order to get out of this unpleasant situation, Aristov is forced to seek help from Vodyanoy, the head of the criminal investigation department and the stepfather of his old school friend.