An intelligence agent's murder bring upon a national investigation into a spy organisation called Korn.
| Directing | Waldemar Podgórski | Director |
| Art | Halina Dobrowolska | Production Design |
| Costume & Make-Up | Hanna Morawiecka | Costume Design |
| Art | Wiesława Chojkowska | Set Decoration |
| Sound | Waldemar Kazanecki | Original Music Composer |
| Editing | Urszula Śliwińska | Editor |
| Camera | Marek Nowicki | Director of Photography |
| Production | Zwonimir Feric | Production Manager |
| Writing | Marian Strużyński | Novel |
| Writing | Henryk Kawka | Novel |
| Writing | Marian Strużyński | Screenplay |
| Writing | Henryk Kawka | Screenplay |
| Directing | Włodzimierz Olszewski | First Assistant Director |
| Directing | Włodzimierz Kamiński | Assistant Director |
| Directing | Czesław Curyłło | Assistant Director |
| Writing | Jacek Fuksiewicz | Co-Writer |
| Writing | Jacek Fuksiewicz | Dialogue |
| Camera | Zbigniew Hartwig | Camera Operator |
| Camera | Roman Badalski | Assistant Camera |
| Camera | Tadeusz Janczak | Assistant Camera |
| Art | Teresa Barska | Assistant Production Design |
| Art | Wacław Jesionowski | Assistant Production Design |
| Sound | Jan Kalisz | Sound |
| Sound | Teodor Ławnikiewicz | Sound Assistant |
| Editing | Jadwiga Lesniewicz | Assistant Editor |
| Costume & Make-Up | Halina Ber | Makeup Artist |
| Costume & Make-Up | Krystyna Leszczyńska | Assistant Makeup Artist |
| Production | Lechosław Szuttenbach | Assistant Production Manager |
| Production | Franciszek Petersile | Unit Manager |
| Production | Henryk Strzebiecki | Unit Manager |