In the forest near the village of Drahovice, a nurse from the local health center is found murdered. Three months ago, another young woman died nearby and a sexual motive was proved in the case of her murder. In the case of the nurse, the motives are not so clear. Two criminologists from Prague - Major Kalas (Rudolf Hrusínský) and Lieutenant Varga (Radoslav Brzobohatý) - patiently collect all available leads and question the villagers.
| Directing | Petr Schulhoff | Director |
| Directing | Miloš Kohout | First Assistant Director |
| Directing | Marta Kunstová | First Assistant Director |
| Directing | Stanislava Hutková | Assistant Director |
| Writing | Lubomír Možný | Story |
| Writing | Lubomír Možný | Screenplay |
| Writing | Petr Schulhoff | Story |
| Writing | Petr Schulhoff | Screenplay |
| Crew | Vladimír Körner | Dramaturgy |
| Camera | Jiří Vojta | Director of Photography |
| Camera | Jiří Stöhr | Camera Operator |
| Camera | Emil Hora | Assistant Camera |
| Art | Jan Oliva | Production Design |
| Art | Karel Kracík | Set Decoration |
| Art | Ladislav Winkelhöfer | Set Decoration |
| Costume & Make-Up | Marta Bártová | Costume Design |
| Costume & Make-Up | Zdena Šnajdarová | Costumer |
| Costume & Make-Up | Věra Maierová | Costumer |
| Costume & Make-Up | Jiří Šimon | Makeup & Hair |
| Costume & Make-Up | František Havlíček | Makeup & Hair |
| Costume & Make-Up | Jiřina Bissingerová | Makeup & Hair |
| Editing | Josef Dobřichovský | Editor |
| Sound | Jiří Kejř | Sound |
| Production | Jiří Krejčí | Production Manager |
| Production | Vlasta Kolbasová | Unit Production Manager |
| Production | Josef Mojžíš | Unit Production Manager |
| Production | Milena Andrejsková | Assistant Production Manager |
| Sound | Pavel Blatný | Original Music Composer |
| Sound | František Belfín | Conductor |
| Writing | Bedřich Kubala | Creative Producer |
| Production | Ladislav Novotný | Executive Producer |
