La mirada invisible
As Argentina’s military regime in the 1980’s spurs rebellion, an elite school teacher becomes obsessed with a student after she’s told to spy on him.
Starring Julieta Zylberberg, Marta Lubos, Osmar Núñez, Ailín Salas, Gaby Ferrero, Diego Vegezzi, Pablo Sigal, Jorge García Marino, Magdalena Capobianco, Vanina Montes
It's a drama 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 Belgium.