Mord am Höllengrund
Starring Katharina Wackernagel, Hans-Jochen Wagner, Aglaia Szyszkowitz, Vincent Redetzki, Max Hegewald, Eva Mattes, Barnaby Metschurat
It's a thriller and mystery movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Denmark.