The deputy director of a machine plant is injured in a car accident and loses important documents. An uncompromising controller is sent to the plant to investigate the matter.

• Zespół Filmowy "Kamera"
• Zygmunt Hübner
• Aleksandra Karzyńska
• Stanisław Zaczyk
• Maria Ciesielska
• Ludwik Pak
• Stanisław Michalik
• Bogdan Baer
• Wanda Majerówna