An intelligence agent's murder bring upon a national investigation into a spy organisation called Korn.
Józef Nowak
Colonel Marczak
Mieczysław Czechowicz
Captain Zawadzki
Jan Nowicki
Captain Nawrot
Teresa Lipowska
Krystyna Kacperska
Jerzy Kaczmarek
Lieutenant Siwecki
Andrzej Krasicki
Counterintelligence Officer
Jan Bielawski
Counterintelligence Officer
Janusz Zakrzeński
Janek
