The film is set in old Yuzovka on the eve of 1905. After searching the Kolchugins' apartment, where money from the strike fund was hidden, the police arrest Anna Kolchugina and her lodger, the miner and revolutionary Kuzma. Anna's teenage son, Stepan, is forced to go to work in the mine. There he learns about the existence of the revolutionary underground and joins its struggle.
| Actor | Role |
|---|---|
 Nina MamayevaOlga Ivanovna | Olga Ivanovna |
| SSergei PodmasteryevStepan Kolchugin | Stepan Kolchugin |
 Yulian PanichKuzma | Kuzma |
 Lyudmila MakarovaNyushka | Nyushka |
 Nina NikitinaMarfa Romanenkova | Marfa Romanenkova |
 Lyudmila KasyanovaKursistka v poezde | Kursistka v poezde |
 Andrei KostrichkinDeaf old man | Deaf old man |
 Leonid RakhlenkoBakhmutskiy | Bakhmutskiy |
 Mikhail ShifmanPharmacist | Pharmacist |
 Nikolai TimofeyevNot listed | Not listed |
 Arkadi TrusovNot listed | Not listed |
 Anna ZarzhitskayaManya | Manya |
 Aleksandr ChekayevskyAdult Stepan / Grandpa Koshelev | Adult Stepan / Grandpa Koshelev |
 Olga KazikoWoman in the Train | Woman in the Train |