Defence education film intended for children and young people. It is devoted to teaching the theory of defence in schools. It primarily demonstrates its educational component with an instructive commentary and explanation of the history of Czechoslovakia.
| Actor | Role |
|---|---|
 Jiřina ŠvorcováCommentary (voice) (uncredited) | Commentary (voice) (uncredited) |
| MMiloš WilligCommentary (voice) (uncredited) | Commentary (voice) (uncredited) |