A historical serial blockbuster, about one of the most important chapters in the history of the Russian state. The 1812 Patriotic War is far behind, the empire is about to wake up from sleep, decide to carry out reforms and abolish serfdom. However, while the autocracy is in no hurry to loosen the reins, and the wind of change, along with the word "Revolution", brings a time of anger: a group of nobles is planning to overthrow the imperial government. Their ambitions and dreams of the future will become a springboard for the events that soaked the white snow of December 1825 with scarlet blood.