Beijo na Boca (1982)

Celeste, a typical Copacabana girl, meets Mário, a planetarium employee, during an astronomy course. They come from different worlds: she lives with her military father and housewife mother, while he's connected to a bohemian scene near Cinelândia. Despite her initial reluctance, Mário's determination leads him to her doorstep. A Brazilian erotic thriller that has de ent increasing tension, a good cast, and fine location shooting.