The murder of a clochard leads the Kapo to the fringes of Aarau society. The unsuspecting Vanessa fell in love with the wrong man. And Luc and Anna-Maria are on the heels of a mysterious computer specialist.
Luc, Anna-Maria and Doerig investigate a murder in the bizarre milieu of the taxidermists. And in the case of the ritual murders, Luc's solo effort stirs the investigation. Anna-Maria's new friend Anatol threatens to become the target of the murderers.
The poisoning of a doctor leads Semmelweis, Doerig and Luc to a noble private clinic, where the investigators uncover a conspiracy on a large scale. Lara and Max could be stopped shortly before their plan of revenge is complete. And Luc discovers the truth about the death of Lara's and Max's mother.
Furious finale of “The Undertaker”: Doerig has to save Anatol. Fabio falls in love with a pretty pastor, and Luc is looking for the mother of Lara and Max.