Identity confusion abounds when Gracie meddles in the lives of a stoic general and his son, who's about to be enlisted in the military. Meanwhile George and Harry shamelessly jump aboard the TV western bandwagon.
Gracie intervenes when she learns Ronnie's been gawking at pretty classmates and ignoring his teachers. Meanwhile, Harry von Zell pleads with George to let him do a western skit; and the Mortons quarrel over their redundant meals.
Gracie passes off Harry Morton as her husband to impress the mother of an English girl whom Ronnie is dating. Meanwhile, Harry Von Zell makes another attempt to sell George on the idea of doing a western skit.
After June Jansen seeks advice about her father, whom she mistakenly thinks is dating a woman half his age, Gracie concludes that Ronnie's newest girlfriend is cavorting with all of the older men in the neighborhood.
Ronnie and Ralph have a brief falling out over a girl, so Gracie, oblivious to the fact that the boys have already made up, stages a huge fight with Blanche to show him how silly it is to quarrel with one's best friend.
Gracie and Blanche are upset when they find out what their husbands are getting them for Christmas, so they scheme to get mink coats. But George gets wind of their plan and makes sure that an old raccoon coat is part of the plot.
Now that Gracie has been hypnotized into becoming the smartest woman in the world, she starts winning quiz shows, while George is demoted to taking care of the household chores. Meanwhile, Blanche is hypnotized into having a mind like the old Gracie.
Gracie inadvertently passes evidence - a counterfeit $20 bill - to Blanche so she can buy the hat Gracie wants before the store closes. Ronnie's plan to thwart Vera's show business aspirations backfires when George hires her.
Charles Vidor asks George to coerce Jack Benny to emcee a dinner gala. Meanwhile, Gracie stirs up publicity for Bonnie Sue in hopes that it will lead to a role for the young ingénue in Vidor's next film.
Ronnie receives his draft notice into the Army, so Gracie establishes a military regimen in the Burns household. Meanwhile, Harry von Zell is sure he can talk George into letting him have Ronnie's old room, rent-free.
In an attempt to help her family, Gracie upsets George's dealings with a television executive and almost breaks up Ronnie's romance with a hat-check girl. George feels it's the last straw when Gracie also loses the house key.
Ronnie's plans to spend the summer with his actor's stock company at the Big Bear Lodge are disrupted when his father learns that Ronnie is flunking Ancient History. George demands that Ronnie attend summer school, but Gracie has another idea or two of her own.
Ronnie's plans are disrupted by a fan whom he once promised to escort to a school dance. Meanwhile Harry Von Zell tries to weasel out of his wedding engagement; and Harry Morton thinks his wife has taken a young lover.