S01E01 The Celtic Mystery
Detectives Oberländer and Zeiler find a Celtic mask with a cryptic message at a murder scene.
A woman's body is discovered dressed as a mermaid on the shores of Lake Constance. Detectives Oberländer and Zeiler investigate a group of surfers and the victim's ex-husband as suspects.
Murder by the Lake is a German-Austrian TV crime series that has been produced since 2014 by Rowboat Film- und Fernsehproduktion and Graf Filmproduktion in cooperation with the German television broadcaster ZDF and the Austrian television broadcaster ORF. The series is filmed and set in the adjacent towns of Bregenz, Austria, and Lindau, Germany, which are both located on the southeastern shore of Lake Constance.