Castle Hohenstein
Schloß Hohenstein - Irrwege zum Glück (original)
After the tragic loss of her mother, the medical student Christine Berger takes a job as a supervisor for the young Countess Leonore von Hohenstein, who suffers from a heart disease. Leonore's husband Gregor and Christine are drawn to each other from the first moment, but both are aware of the impossibility of their love and try to suppress their feelings.
Starring Mathieu Carrière, Sophie von Kessel, Gudrun Gabriel, Ruth-Maria Kubitschek, Albert Fortell, Gudrun Landgrebe, Marita Marschall, Eva Christian, Tatjana Fein, Claudio Gora
It's a drama show, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Spain.