Zeit der Fische
Starring Janusz Kocaj, Steffi Kühnert, Kim Schnitzer, Christian Blümel, Joachim Lätsch, Marie Gruber, Klaus Rätsch, Manfred Möck
It's a drama and action & adventure movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Austria.