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 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.