Das Rätsel der keltischen Maske

By an explosion of a boat in Lake Constance, a fisherman is burned alive. When the boat is recoverd, the police find the eerie mask of a Celtic deity and a cryptic message in a strange, elusive language. Because of this transborder case, chief inspector Micha Oberländer (Matthias Koeberlin) from Lindau and inspector Hannah Zeiler (Nora Waldstätten) from Bregenz have to work together.The two detectives could not be any more different, but they are forced to come to an arrangement. The first lead brings Zeiler and Oberländer to the brother of the deceased, Ludwig Pfeilschifter (Stephan Kampwirth). He and his wife Christ (Doris Schretzmayer) found three Celtic masks in a nearby mountain crevice fifteen years ago. Then, a second victim is found: Christas father Walter (Karl Fischer) is found slashed and hung to a tree with the second mask. The time for Zeiler and Oberländer is running out, as they have to prevent the murder with the third mask.

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S01E02 - Familiengeheimnis