Der Ermittler
Der Ermittler war eine deutschsprachige Krimiserie
Starring Oliver Stokowski, Rainer Luxem, Charlotte Bellmann, Joanne Gläsel, Carina Wiese, Patrick Rapold, Nele Rosetz
It's a crime show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Belgium.