El diario de mi madre
Scheming secretary sabotages her boss's wedding plans and snags him for herself. She, him, his brother and the abandoned pregnant fiance all suffer as a result.
Starring Marga López, Roberto Cañedo, Lilia Guízar, Rosenda Monteros, María Teresa Rivas, Angelines Fernández, Consuelo Marquez, Ivan J. Rado, Martha Elena Cervantes, Elda Peralta
It's a drama movie, and has a rating of 5.4 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Spain.