When Ellie learns that her cousin is getting married, she's really excited! She has always wanted to go to a wedding. But then she gets even better news when her cousin asks her to be a flower girl! Then the Critter Club gets the cutest guest Ellie has ever seen: a little French bulldog. Ellie works hard to find a home for the puppy, but she's worried she won't be able to. Suddenly she has an idea that will guarantee that the puppy lives happily ever...

Ben selects from the shelter a most unusual "dog" that wreaks havoc in town until she has a chance to prove her worth.