Riley Kishi is Claudia Kishi's sister. Twin sister. Claudia and Riley do everything together. But when Claudia becomes friends with Stacey McGill, everything changes. She is always hanging out with Stacey, and they are starting to drift apart. That is until Kristy Thomas, one of my childhood friends, comes up with a great idea. A babysitters club. Riley was excited about the idea until she realized that Stacey was in the club. Will Riley be able to put up with Stacey, or will it all go wrong?