Rose's sister, Holly is coming and Rose is nervous about meeting her. Holly comes and is introduced to Dorothy, Blanche and Sophia. However, Holly becomes quick friends with Dorothy and Blanche and doesn't invite her to outings. Dorothy and Blanche are angry at the fact that Rose speaks bad of Holly and try to tell her that Holly is a great person and leave. Right after they left, Rose catches Holly with Blanche's boyfriend. When Dorothy and Blanche get back, Rose tries to tell them what's going on with Holly, but refuse to believe her.
Sometime later, Blanche and Dorothy come home early and want to hang out with Holly. However, suspicions arise when Sophia's dog, Dreyfuss, comes with a pants in his mouth and Blanche's boyfriend comes running to retrieve his pants from the dog. Blanche and Dorothy realize that Rose was telling the truth. After a talk with Holly, she tells her off. The episode ends with Dorothy and Blanche promising Rose that they will always believe her.