An occupation drama about a group of Czech scientists who, in a remote factory, investigate how to produce the vital penicillin as easily as possible - but for a long time they have been unable to find the only right mould to use as a base.
Story: Jiří Lehovec
Screenplay: Jiří Lehovec, Jiří Cirkl
Director of Photography: Zdeněk Šibrava, Ivan Karel, Antonín Stránský, Oldřich Žák, Jaromír Holpuch
Director: Jiří Lehovec