After agreeing to meet an obscene caller at a bar, a young New York reporter witnesses a murder and becomes an unwilling player in a dangerous game of cat-and-mouse.

Roberta is a bored suburban housewife who is fascinated with a woman, Susan, she only knows about by reading messages to and from her in the personals section of the newspaper. This fascination reaches a peak when an ad with the headline "Desperately Seeking Susan" proposes a rendezvous. Roberta goes too, and in a series of events involving amnesia and mistaken identity, steps into Susan's life.

A divorced woman (Michael Learned) moves to San Francisco from Omaha with her young son. She's trying to re-build her life after her divorce, she leaves her son with his grandmother. She joins the choir of a local church. She has some issues with the choirmaster (John Houseman) who tries to get the choir into shape before the Christmas concert. The choir overcome some personal setbacks as they all deal with personal issues. Zoe (Michael Learned) thinks of quitting the choir all together when push comes to shove.