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...

Tatort is a long-running German/Austrian/Swiss, crime television series set in various parts of these countries. The show is broadcast on the channels of ARD in Germany, ORF in Austria and SF1 in Switzerland.