A big explosion in a pulp mill causes a lot of damage. The police suspect a crime and put up a 5,000 Mark reward for information leading to the arrest of the perpetrator. Egged on by his wife Ursula, the insurance agent Rolf Kettner sees his chance to prove his detective capabilities and to track down the culprit.
Olly Holzmann
Hilde Sessak
Hans Paetsch
Oskar Sima
Paul Dahlke
Willi Rose
Peter Martin Urtel
Wilhelm König
Friedrich Domin
Richard Häussler
Ernst Karchow
Herbert Gernot
Josef Keim
Karl-Heinz Peters
Bruno Hübner
Elsbeth von Lüdinghausen
Gerhard Mittelhaus
Wilhelm Bendow
Margarete Kupfer
Julius Bennet
Fritz Böttger
Christa Dilthey
Karin Luesebrink
Herta Neupert
Oscar Sabo
Armin Schweizer