''Eternamente Pagú'' is a biographical film about Patrícia Galvão, best known as Pagu, a Brazilian political, literary and artistic activist. An important figure of the Brazilian Modernism, Pagu was also a militant for the Brazilian Communist Party after she married writer Oswald de Andrade. She broke up with Andrade and, as a journalist was arrested by the Vargas Era. After she left prison, she abandoned Communism in favor of Trotskyist Socialism, married Geraldo Ferraz, and started a career as theatre director.