Por Trás do Pano (1999)
Por Trás do Pano is a 1999 Brazilian comedy-drama film directed by Luiz Villaça. It stars Denise Fraga, Pedro Cardoso, Luís Melo, Ester Góes and Marisa Orth. The plot follows the story of Helena (Fraga), an insecure actress who is married to Marcos (Cardoso), as she receives an invitation to perform in a play alongside the famous actor Sérgio (Melo), who lives a conjugal crisis with his wife Laís (Orth) due to his involvement with his former wife Alexandra (Góes).
More at Wikipedia.