S01E01 The Celtic Mystery
Detectives Oberländer and Zeiler find a Celtic mask with a cryptic message at a murder scene.
Just as the freediver Victor is about to start a new record attempt, the body of his wife is found in the depths of Lake Constance. Detectives Oberländer and Hoffmann suspect that Victor himself may have been responsible for the drowning of his wife.
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.