The girls participate in a murder mystery weekend and Dorothy has a ball when she solves a mystery. However, when Blanche is accused committing a real murder, Dorothy will have to use all her keen detective skills to find the real murderer.

Blanche is visited by her granddaughter, Melissa, and the only thing that Blanche has on her mind is Melissa winning a Little Miss Beauty Contest. Meanwhile, Dorothy hires a nurse to look after a recuperating Sophia.

Blanche learns from a city inspector that she either has to lose a renter or make modifications to her home which would cost $10,000. Meanwhile, Dorothy demands to know who the groom is in a hidden wedding picture of Sophia's.