About the exposure by Soviet intelligence officers of the neo-Nazi organization "Black Knights", which tried to revive the fascist movement in Europe.
Based on the short story of the same name by science fiction writer Stanisław Lem.
1920. The enemy of Soviet Russia is not broken everywhere. Basmachi gangs are rampaging through Turkestan. A group of kulaks, with the support of local merchants and warriors, incites the Red Army soldiers to counter-revolutionary rebellion...