A ghostwriter finds himself romantically involved with his current wife, a married woman and his long-vanished wife.

Set in 1949 New York, a Holocaust survivor who makes a living as a ghostwriter for a Jewish rabbi, finds himself involved with three women - his current wife, a passionate affair with a married woman, and his long-vanished wife whom he thought was killed during the war and suddenly reappears. The film concentrates on the views of the Jewish survivors, who no longer abide by religious morales and question a God who could let the Holocaust occur.

Marriage takes a sour turn when a middle-aged husband falls for a young and sexy woman. Things get even more complicated when his wife starts a hot affair with a young lover of her own.

A self-centred university lecturer thinks it quite all right that he has taken one of his students as a lover, but is deeply hurt when his wife retaliates by taking a similar approach with a visiting carpenter. His announcement that he is off to the family holiday home for some skiing with his paramour is met by his wife insisting she and her young joiner go too, and the four set off for an awkward time in the snow.

Lola is pregnant. But she does not know who the father is :

Jamal, the black muslim, son of diplomats, or Felix, the pennyless jewish messenger. Jamal and Felix meet at Lola's, and the race begins.

Couples Bob & Carol Sanders and Ted & Alice Henderson are best friends. After attending a weekend self-help self-discovery session (Bob is planning on making a documentary film on the subject), Bob and Carol feel newly enlightened, and want their friends, Ted and Alice, to feel the same way. "Feel" is the operative word as they want people now to feel rather than think. The foursome each examine their feelings, and admittedly their thoughts toward their individual relationships with each other and the topic of sex when Bob admits to Carol that he had a meaningless sexual dalliance, which Carol later mentions to Ted and Alice. After pushing the sexual boundaries with others, the foursome decide they have one last boundary to cross truly to test what they consider their new enlightened state.

A young American couple go to the Greek islands for the summer and are dazzled by the beauty and the uninhibited people surrounding them. The young man meets and begins an affair with a French woman, an archeologist working on a dig. The young American woman discovers this and goes to confront the other woman. The French woman is quite taken with the American woman's photographic work, and the three become very close.