Karlo Wilflinger has been found dead in a meadow of Upper Bavaria.At first sight it looks like an accident,but Richard Voss believes that was a murder.The village of Upper Bavaria,in which the farmer Karlo lived doesn't look so nice as before.The first conclusions of the forensic expert are that the body of Karlo has been crushed by a engine as a tractor,, then has been removed to the meadow.Karlo has become a bio producer and some people don't agree with this focus of Karlo.His old friend Sepp Rielinger doesn't understand this new way of farming.His sister Traudl, who has grown in the house, doesn't appreciate the marriage of Karlo with Anja.Markus Häupl, his associate doesn't agree with Karlo about some strategies of business.Also some villagers are making comments about the private life of Anja, Karlo's wife.