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
