Mrs. Naugatuck refuses to change her last name at her wedding, leading the men and women to take sides on the matter.
The Harmons introduce the Findlays to a couple (James Coco and Helen Page Camp) who are interested in wife-swapping.
Maude's new-fashioned ideas are put to the test when Phillip invites a female friend to spend the night.
At a Chinese dinner party given for her Congresswoman friend, Irene Mackleaney (Mary Louise Wilson), Maude discovers that Carol and Phillip are moving to Colorado; Vivian and Arthur are moving to Idaho; and Irene collapses dead on the floor from a heart attack.
Faced with the departure of nearly everyone she loves from her life, Maude sinks into depression only to be lifted by some excellent news — she's been named to succeed her friend, the late Irene Mackleany as Congresswoman.