Os Imorais (1979)

Mario, the son of a rich couple, despite the comfort and fortunes, lives in permanent conflict, due to the amoral behavior of his parents. His mother, Gloria who despises the father, makes the driver of the family her lover, caring little for the criticisms that are made. In turn, his father, homosexual, has in the private secretary, his favorite love partner. In the midst of these problems, one day Mário meets his mother in the hair salon. There, he meets a woman and a young man, Gustavo with whom he has a solid friendship. The relationship with the couple evolves and mutual attraction leads to a loving involvement similar to that of Mário's parents, who come to experience the same situations that he previously criticized. Gustavo is a poor hairdresser who lives in a kitchen building, where the only possible landscape is Minhocão, he ends up falling in love with Mario; this in turn interests, initially, the rich Gloria.