Ryszard Malewicz, a young inventor, is out of work. He had been waiting for months for a response from the ministry to which he had sent plans for his invention, an explosive of extraordinary power. Desperate Ryszard is comforted by his mother and his fiancée Maria.
Mieczysław Cybulski
Maria Bogda
Lena Żelichowska
Tekla Trapszo
Kazimierz Junosza-Stepowski
