Picpus
Starring Albert Préjean, Juliette Faber, Jean Tissier, André Gabriello, Noël Roquevert, Guillaume de Sax, Édouard Delmont, Antoine Balpêtré, Henri Vilbert, Palau
It's a thriller and mystery movie, and has a rating of 6 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Spain.