About the romantic youth of the legendary commander, hero of the Civil War G.I.Kotovsky (1881-1925). An inexperienced fighter against landlord arbitrariness becomes a professional revolutionary under the influence of revolutionary events in Russia.
The German intelligence officer Sturmer, under the guise of captain Voron, commits sabotage one after another with the aim of reaching the commander of the partisan detachment of Stration. Galinka, the daughter of Stration, who fell in love with Voron, invades their duel.