At the heart of the movie - true stories about separations and meetings, about search of relatives, the proceeding many years after war.

Based on the novel of the same name by Aleksandr Lukin and Dmitriy Polyanovskiy. Russia, 1919. A young soldier of the First Cavalry Army, Aleksei Mikhalyov, is sent to work in the provincial Cheka. Here in the south of the country there is a large White Guard underground led by the elusive Markov. Aleksei gets into the gang, where he is mistaken for his own. The day of the operation to eliminate the white underground is appointed. But unforeseen circumstances destroy the plans of the Chekists.

1918 year. A woman commissar has been appointed from the Central Committee of the Bolshevik Party to the Russian warship Gromoboi, which is ruled by anarchist sailors. The leader of the ship is the anarchist Vozhak. The Commissioner was instructed to reorganize the naval detachment into the First Sailor Regiment. She faces a difficult task: to win the authority of the sailors and eradicate anarchy. Of the remaining officers on the ship — lieutenant Bering, who served in the tsarist fleet on the battleship "Emperor Paul I". He must become the commander and, together with the sent commissar, lead the regiment to the front in the Black Sea region.