Catherine is a wealthy young woman lacking in notable qualities; when a young man begins to court her, her father, Dr. Sloper, attempts to thwart the relationship, sensing the suitor's opportunism. Catherine defies her father's judgment, which ultimately proves to be correct.
Middle-aged widow Beatrice Hunsdorfer and her daughters Ruth and Matilda are struggling to survive in a society they barely understand. Beatrice dreams of opening an elegant tea room but does not have the wherewithal to achieve her lofty goal. Epileptic Ruth is a rebellious adolescent, while shy but highly intelligent and idealistic Matilda seeks solace in her pets and school projects, including one designed to show how small amounts of radium affect marigolds.
Formal portraits, bookends in this 80-year saga, enclose the central story, which opens with the baptism of Carlo, a baby in his grandfather's lap, and ends with Carlo as a grandfather with a baby in his arms. And never once do we get out of the house, whose rooms provide structure. Comfort or passion? Carlo can't really decide until it's too late.
A young Roman woman during the 1950s is on the verge of becoming engaged to a man. She goes to Cinecittà to do an audition as an extra and is thrust into this almost infinite night during which she discovers herself.