A group of temporary workers arrive at the Czech-German border to conduct geological exploration. However, not all people have pure intentions and a past, and so the group of geologists is threatened by saboteurs who want to blow up an abandoned mine and escape across the border...
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Verdict: Unknown
> Jiří Sequens (Director)
> Vladimír Zelenka (Assistant Director)
> Helena Pokorná (Assistant Director)
> Rudolf Milič (Director of Photography)
> Jiří Sequens (Screenplay)
> Miloš Velínský (Story)
> Josef Kainar (Lyricist)
> Miloš Velínský (Screenplay)
