Dorothy is in charge of directing a school play, Henny Penny, but when the cast is quarantined, she gets Rose, Blanche and herself to perform as the leads. But when Rose reads the ending, she wants no part in the play.

Rose discovers an old camera of Charlie's with some undeveloped film still in it. After getting it developed, Rose is stunned when one of the pictures shows Charlie in bed with Blanche. Meanwhile, Dorothy tries to get Sophia to have her hearing checked.

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.