In this TV-series the events of the beginning of the 20th century in Russia are highlighted. Revolutioners, terrorists, spies - and investigator Putilovskii and his team fight them as best they can.

Based on Boris Akunin's novel 'Azazel' (English title 'The Winter Queen') set in Moscow in 1876. The novel started a long series quite popular in Russia. In 'Azazel' a young police officer - Erast Fandorin - investigates an odd suicide of some rich young man and finds a complex conspiracy, trying to take over most European countries - from Britain to Ottoman Empire - with the best intentions, of course.

Thirty years have passed since Zhenya and Nadya met—they broke up, and Nadya moved to Leningrad. The friends still go to the bathhouse, and now they are joined by Konstantin, Zhenya's son. Uncle Pasha and Uncle Sasha persuade Kostya to arrange a New Year's miracle for his father and send him to St. Petersburg. Nadya's daughter lives at that very address, and on the same day, her fiancé, Irakli, is planning to propose to her.

Russian troops occupied Paris. Russia became the first power in the world. Now everything seems possible. Young winners, guards officers, are sure that equality and freedom will come - here and now. For this they are ready to sacrifice everything - position, wealth, love, life ... and the country itself.