In Hollywood of the 50's, the obscure screenplay writer Joe Gillis is not able to sell his work to the studios, is full of debts and is thinking in returning to his hometown to work in an office. While trying to escape from his creditors, he has a flat tire and parks his car in a decadent mansion in Sunset Boulevard. He meets the owner and former silent-movie star Norma Desmond, who lives alone with her butler and driver Max Von Mayerling. Norma is demented and believes she will return to the cinema industry, and is protected and isolated from the world by Max, who was her director and husband in the past and still loves her. Norma proposes Joe to move to the mansion and help her in writing a screenplay for her comeback to the cinema, and the small-time writer becomes her lover and gigolo. When Joe falls in love for the young aspirant writer Betty Schaefer, Norma becomes jealous and completely insane and her madness leads to a tragic end.

Martin, , a respected doctor, his wife Karin, Karin's seventeen year old brother Minus, and widowed father David of Karin and Minus' have convened at the family's summer home on an island off the coast of Sweden to celebrate David's return from the Swiss Alps, where he was substantially completing his latest novel. The family has long lived a fantasy of they being a loving one, David's extended absences which are the cause of many of the family's problems. Without that parental guidance, Minus is at a confused and vulnerable stage of his life where he is a bundle of repressed emotions, most specifically concerning not feeling loved by his father and concerning the opposite sex. He is attracted to females as a collective but does not know how to handle blatant female sexuality, especially if it is directed his way. A month earlier Karin was released from a mental institution. Her doctor has told Martin that the likelihood that she will fully recover from her illness is low, her ultimate fate being that her mental state will disintegrate totally, although she has functioned well since her release. In his love for her, Martin has vowed to himself to see her through whatever she faces. As Karin begins to lose grip on reality, Minus is the one most directly affected, although it does bring out the issues all the men are facing with regard to their interrelationships.

Three women in a maternity ward reveal their lives and intimate thoughts to each other, where they face the choice of keeping their babies or offering them for adoption.

George (Richard Burton) and Martha (Dame Elizabeth Taylor) are a middle-aged married couple, whose charged relationship is defined by vitriolic verbal battles, which underlies what seems like an emotional dependence upon each other. This verbal abuse is fueled by an excessive consumption of alcohol. George being an associate history professor in a New Carthage university where Martha's father is the President adds an extra dimension to their relationship. Late one Saturday evening after a faculty mixer, Martha invites Nick (George Segal) and Honey (Sandy Dennis), an ambitious young biology professor new to the university and his mousy wife, over for a nightcap. As the evening progresses, Nick and Honey, plied with more alcohol, get caught up in George and Martha's games of needing to hurt each other and everyone around them. The ultimate abuse comes in the form of talk of George and Martha's unseen sixteen-year-old son, whose birthday is the following day.

Sophie is the survivor of Nazi concentration camps, who has found a reason to live with Nathan, a sparkling if unsteady American Jew obsessed with the Holocaust. They befriend Stingo, the movie's narrator, a young American writer new to New York City. But the happiness of Sophie and Nathan is endangered by her ghosts and his obsessions.

Melodramatic