Russian Empire, 19th century. Poor Nykanor leaves his village and becomes a miner in the Donbas. His son Ostap also becomes a miner and works in the mine for thirty years, but after his father's sudden dismissal, he realizes that the state system needs radical changes.

About the life and heroic death of the old Bolshevik-Lugansk resident, participant in the civil war, Aleksandr Yakovlevich Parkhomenko. In 1918, capturing Ukraine, the German occupiers sought to use the Haidamaks, the White Guards and the Greens in their struggle. By order of Voroshilov, Aleksandr Parkhomenko from Lugansk arrives in Tsaritsyn. At the same time, the Germans launched an active offensive. The "red" battalions are poorly armed, however, Parkhomenko manages to raise them to the attack and put the enemy to flight.

A story about the friendship between two young men, two soldiers - Arkady from Odessa and Sasha from Ural.