Imperialist spies try to disrupt and stop production in a large steelworks.

---

Main Cast: Urszula Modrzyńska, Feliks Żukowski, Zdzisław Mrożewski, Jan Żardecki, Stanisława Perzanowska, Wiktor Grotowicz, Ludwik Benoit, Halina Billing-Wohl, Zygmunt Chmielewski, Adolf Chronicki

Director: Maria Kaniewska

Writer: Adam Ważyk

Editor: Lidia Pacewicz

Cinematographers: Romuald Kropat, Kazimierz Wawrzyniak

---

Popular Double Features