The Delights of Life (1974)

Eva is an aspiring actress who gets the opportunity to star in a soap opera when her boyfriend, Júlio, is hired to write it. The soap opera becomes a hit, but another actress in the story, the beautiful Fernanda, feels slighted. Seeking help, she turns to Mr. Y, her lover and a television executive. In exchange for satisfying Mr. Y's desires, Fernanda becomes the new star of the soap opera, much to the dismay of Júlio.