The main protagonists of the film are Katya (Varvara Popova), the daughter of a factory worker and Andrey (Ivan Koval-Samborsky), the son of the former owner of the factory who illegally returns to the USSR to find treasures hidden by his father. The film title refers to the Communist party's appeal, after Lenin's death, to enlarge its membership.
| Directing | Yakov Protazanov | Director |
| Writing | Vera Eri | Writer |