The series is about the operation code-named "Trest", which under the leadership of F.E.Dzerzhinsky was carried out by the VChK to identify and eliminate the counter-revolutionary and monarchist underground on the territory of the USSR, associated with foreign white-emigrant organizations.

As Moscow is set ablaze by the retreating Russians, the Rostovs flee their estate, taking wounded soldiers with them, and unbeknownst to them, also Andrei. Pierre, dressed as a peasant, tries to assassinate Napoleon but is taken prisoner. As the French are forced to retreat, he's marched for months with the Grande Armée, until being freed by a raiding party. Part four of the four-part adaptation of Leo Tolstoy's 1869 novel.

A story about CHeKa operation against a foreign spies during the early years of Soviet Russia.

In May 1808, the fortress, renamed Sveaborg, surrendered to Russian troops and, together with the fleet and fortifications, went to the Russian Empire.