One of Cloe's paintings, inspired by her friends, is going to be exhibited in a gallery, but her credit card is over the limit and she cannot buy a fabulous dress for the opening unless she can get--and keep--a job.
After Addie ditches her for the Pops, the most popular group in school, Jenny decides to run against Addie for sixth grade class president in an effort to stop the Pops from running the school.
When Jenny and her rival Addie make a bet that each girl will raise more money than the other at their middle school fund-raising carnival, both girls hope that the new cool girl will help by joining their group.