Nicholas Pavlovich, the new Russian emperor, accepted the scepter of his suddenly deceased elder brother Alexander, against his will. He was not eager for power, did not prepare to rule the greatest empire in the world. The opponents of the autocracy - radical nobles and officers of the tsarist army - also knew about this. They decided to take advantage of the unstable situation and brought troops loyal to them to Senate Square. It took remarkable courage and strong will from the young emperor not to succumb to panic and show who is boss in the country. What if the rebels’ plan had succeeded? What would be the consequences of this adventure?..