Stream Maria: Ninguém Sabe Quem Sou Eu Online Free – Watch Full Movie from Home at 123Movies. . The film is an unprecedented and exclusive testimonial of Maria Bethânia from director and screenwriter Carlos Jardim, interspersed with rare footage of rehearsals and concerts by the singer throughout her 57-year career. Actress Fernanda Montenegro narrates five texts by authors such as Ferreira Gullar and Caio Fernando Abreu about Bethânia's importance on the Brazilian cultural scene.