Roland Mathis dies after falling down the stairs. He was an unsavoury private eye who had been blackmailing Anton Galba and his secret lover about their affair. Galba, who is the director of the local sewage treatment plant in Dornbirn, panics and gets rid of the body by putting it in the grinder. Nathan Weiss, the police officer investigating the case immediately suspects Galba...
Anton Galba

Nathan Weiss

Hilde Galba

Konrad Mugler

Roland Mathis
Ingomar Kranz

Helga Sieber

Adele Stadler
City Councilor Karasek
Colleague Schwenndinger

Assistant

Gitti Summer

Ludwig Stadler