Rio Babilonia (1982)
A public relations man meets an affluent young couple at a party and has a threesome with them in the pool at their home.
Actors: Paulo Villaça
Gente Fina É Outra Coisa (1977)
Tadeu, a poor lad from the Northeast of Brazil, comes to Rio de Janeiro to try his luck. His good looks and education win him the favor of rich people. In his spare time, he becomes the favorite among lonely and rich wives. Soon he gets involved in trouble.
A Dama do Lotacao (1978) aka Lady on the Bus
She gives herself to everyone in order to keep loving her husband.