A spy film about how saboteurs obtain important data about the activities of a key company, while also trying to thwart the plan and undermine work morale. But vigilant security agencies intervene in time and stop their heinous raids.

• Studio uměleckého filmu Praha
• Otomar Korbelář
• Gustav Heverle
• Otomar Krejča
• Alena Vránová
• Jiří Sovák
• Vladimír Řepa
• Rudolf Deyl
• Miloš Kopecký