In this reportage, film professionals offer the viewers a peek behind the scenes at the Barrandov studios. We see how sets are constructed and we find out what sorts of things are stored in the prop department. The friendly commentary describes the journey from camera negatives to a film on the big screen. We learn about film technology and take a glance into film laboratories and editing rooms. The film also presents unique footage from the filming of The White Disease, namely the dramatic scene with five hundred extras in which the Marshal announces his declaration of war.