Antonia and Massimo are married, with a peaceful and apparently calm relationship. Antonia does not know that Massimo is cheating on her with Michele, a young painter of the sets of the Rome Opera House. Massimo's sudden death changes the lives of both of them.

Antonia is heartbroken after Massimo's accident, and her mother Veronica and their housemaid Nora are not helpful. Michele is also destroyed, but he has his extended family to console him. Antonia finds a dedication in a painting by Massimo, and is determined to discover her husband's lover.

Antonia bursts into the common terrace. Slowly, thanks also to the complicity of the others, Michele and Antonia get closer.