Watch Aria Diva for Free: How to Stream the Movie Online at 123Movies. . Basia has already settled down in her life. She is a housewife and has a loving family. It seems as though she does not miss anything to be happy. Until a moment when an opera diva moves into an apartment upstairs. Basia is enchanted and seduced with her voice. A peculiar relationship is born between them. It develops into a feeling which is not particularly comfortable for either of the two women.