A retired police captain, Siwy, tells a reporter about his latest action, carrying on his own investigation into the mysterious death of a Ewa Salm, a.k.a. Princess. She was a witness in a case where the defendant pled guilty and was sentenced to eight years in prison. Siwy doubts the defendant's guilt and risks his life to apprehend the real killer.
| Directing | Janusz Majewski | Director |
| Writing | Krzysztof Kąkolewski | Screenplay |
| Costume & Make-Up | Krystyna Chmielewska | Makeup Artist |
| Directing | Witold Holtz | Assistant Director |
| Sound | Wojciech Kilar | Original Music Composer |
| Editing | Tomira Matyjaszkiewicz | Editor |
| Art | Maciej Maria Putowski | Set Decoration |
| Sound | Krzysztof Grabowski | Sound |
| Production | Ryszard Straszewski | Production Manager |
| Directing | Bozena Piotrowska | Assistant Director |
| Costume & Make-Up | Alicja Ptaszyńska | Costume Design |
| Camera | Antoni Nurzyński | Director of Photography |
| Writing | Krzysztof Kąkolewski | Novel |
| Writing | Janusz Majewski | Screenplay |
| Directing | Halina Garus | First Assistant Director |
| Writing | Władysław Krupka | Story Consultant |
| Camera | Andrzej Ramlau | Camera Operator |
| Camera | Czesław Grabowski | Assistant Camera |
| Camera | Stanisław Czerwiński | Assistant Camera |
| Camera | Slawomir Idziak | Assistant Camera |
| Art | Tadeusz Wybult | Production Design |
| Art | Andrzej Borecki | Assistant Production Design |
| Art | Bogdan Niemira | Assistant Production Design |
| Sound | Konrad Bryzek | Conductor |
| Sound | Andrzej Sadowski | Sound Assistant |
| Editing | Irena Jasińska | Assistant Editor |
| Production | Henryk Wasilewski | Assistant Production Manager |
| Production | Wiesława Borecka | Assistant Production Manager |
| Production | Krzysztof Bogdanowicz | Assistant Production Manager |
