The Official Story
La historia oficial (original)
Starring Norma Aleandro, Héctor Alterio, Hugo Arana, Guillermo Battaglia, Chela Ruiz, Patricio Contreras, Aníbal Morixe, María Luisa Robledo, Jorge Petraglia, Analía Castro
It's a drama and history movie, and has a rating of 7.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Belgium.