Paris, September 1977: Maria Callas (Angelina Jolie) has withdrawn from the public eye for years. The legendary opera diva no longer stands on stage and instead lives alone in her huge apartment, behind heavy curtains, in a world full of memories. When the TV reporter Mandrax appears, Maria finds new hope as the interviews with the young man take her back to her legendary years. She decides to return to the stage one last time.