At night the Mangler stalks the streets of Los Angeles, killing and mutilating random victims. On the trail are a TV reporter, the father of one of the victims, and a police detective, but despite their efforts only the mysterious psychic DeRenzy knows what the killer is and how to stop it.

A Jewish man and a Jewish woman meet, and while attracted to each other, find that their worlds are very different. She is the archetypal Jewish American Princess — very emotionally involved with her parents' world and the world they have created for her, while he is much less dependent on his family. They begin an affair which brings more differences to the surface.

In this film based on a Neil Simon play, newlyweds Corie, a free spirit, and Paul Bratter, an uptight lawyer, share a sixth-floor apartment in Greenwich Village. Soon after their marriage, Corie tries to find a companion for mother, Ethel, who is now alone, and sets up Ethel with neighbor Victor. Inappropriate behavior on a double date causes conflict, and the young couple considers divorce.