Money. Murder. Zurich.: Borchert and the lost son
Der Zürich-Krimi: Borchert und der verlorene Sohn (original)
Starring Christian Kohlund, Ina Paule Klink, Pierre Kiwitt, Uwe Kockisch
It's a thriller movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Saudi Arabia.