Insiang
A young woman raped by her mother's new boyfriend finds a new way to exact revenge.
Starring Hilda Koronel, Mona Lisa, Ruel Vernal, Rez Cortez, Nina Lorenzo, Marlon Ramirez, Carpi Asturias, Eddie Pagayon, Joe Jardi, Danilo Posadas
Watch "Insiang" on Criterion Channel released in 1976. It's a drama and comedy movie, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of movie.