Joan finds she must share a party line with her new neighbor Janet. It turns into a battle of wills as both women want to use the phone as much as they want.
A local mobster threatens Judge Stevens over the parole of an incarcerated gang leader. Joan tries to head off the threat by getting a gangster-movie actor to pose as a torpedo from the Eastern Syndicate.
Joan and her friends are invited to a costume party which leads to a dilemma. The husbands disagree with the wives concerning outfits with the result being the men wearing the feminine clothes, the women the masculine.
Joan's friends Charlie and Mabel decide to split up after a fight. Joan, with Brad's help, plots to get them back together using a This Is Your Life format with the help of people they know.
Joan accidentally opens a letter belonging to a neighbor. She goes to unusual lengths to reseal the envelope and get it to the right person without anyone the wiser.