The story of the confrontation between chief engineer Petin, a careerist and a fraudster, and Litvinov, an experienced construction supervisor, a solid, direct and generous man.

Hearing about the revolution in the hospital, the sailor Gulyavin goes to Petrograd, and from there with a detachment of Ukrainian volunteers he is sent to Ukraine. The troop is joined by cavalrymen under the command of the anarchist Lelka. The chief of staff, Stroyev, reproaches Gulyavin with negligence - you cannot take an untested detachment. However, the desperate courage of Lelka in battle with the White Guards gives Gulyavin not only respect for her, but love...

A group of drunken young people severely beat the couple in love. Subsequently, Aleksandr Shchetinin died in the hospital after receiving injuries from beatings. The court, chaired by Judge Khromova, is to pronounce the death sentence on one of the four participants in the fight, who committed the fatal blow that led to death.

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.

A portrait of the era of "Red Terror" during the civil war that followed the Bolshevik revolution, The Seventh Companion offers a character study in General Adamov (Andrei Popov), a law professor in the tsarist army, who is incarcerated by the Bolshevik secret police along with many other members of the bourgeoisie. Finally released into the new world of the Soviet Union, the resigned officer finds that he has lost everything from his old life except a mantel clock that he carries through the night from place to place, until he ends up back where he started.