Der Mörder mit den Silberflügeln
A Murder of Quality (original)
Starring Denholm Elliott, Joss Ackland, Glenda Jackson, Billie Whitelaw, David Threlfall, Ronald Pickup, Matthew Scurfield, Christian Bale, Diane Fletcher, Fiona Walker
It's a drama and mystery movie, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.