Theo Rufinatscha

Once before, the ravishing lake mermaid Undine has warned her lover Raoul. Their humid-romantic fairy-tale love is in danger because Raoul's brother wants to destroy the pristine mountain lake idyll with an ambitious hotel project. Undine defends her paradise. She is alluring, but also perverse and unpredictable. She can give a lot of love, but she can also kill.

Tatort is a long-running German/Austrian/Swiss, crime television series set in various parts of these countries. The show is broadcast on the channels of ARD in Germany, ORF in Austria and SF1 in Switzerland.