An improvisational comedian, working with The Committee improv group in San Francisco, struggles to be taken seriously.

A man with no illusions marries a young woman who is brimming with idealism. She attempts to remake her husband with her overflowing optimism, but the marriage is severely strained when her first pregnancy ends in miscarriage. They separate, and the woman has a number of affairs, but eventually she returns to her husband. They have a daughter, then settle down to a life that is a blend of the husband's worldliness and the wife's idealism.