Observing the first years of the formation of Soviet power, about the life and work of Feliks Dzerzhinsky from 1918-1925; in July 1918, as a result of a revolt of the Left Socialist Revolutionaries, German ambassador Mirbach is killed. Feliks Dzerzhinsky alone goes to the headquarters of the Left Socialist Revolutionaries and Anarchists, he manages to persuade ordinary soldiers and sailors, participants in the rebellion, who are now cracking down on their leaders.

Mikhail Kondratyev
as Vladimir Ilyich Lenin

Vladimir Yemelyanov
as Feliks Edmundovich Dzerzhinsky

Leonid Lyubashevsky
as Yakov Mikhailovich Sverdlov

Vladimir Solovyov
as Mikhail Ivanovich Kalinin

Ivan Lyubeznov
as Lemekh

Alla Larionova
as Vera

Viktor Avdyushko
as Kovalyov

Georgiy Yumatov
as Balandin

Vladimir Boriskin
as Lunatik

Igor Bezyaev
as Vinogradov