When Kristen learns that her favourite professional tennis player is going to play at her club, she decides to become a ballgirl.

When Kristen learns that her favourite professional tennis player is going to play at her club, she decides to become a ballgirl so she can be up close to the action. But standing in the way of getting the best net post in the house is Kristen’s biggest rival, Sally Starling,and Sally'smum Mrs Starling, whois in charge ofselectingthe ballkids. With best friends Liz and Bern determined to stir up trouble, not to mention set Kristen up with a cute guy named TJ, it’s going to be a fine line between getting aced and winning the approval of her idol, Maggie Stephenson,and the attention ofTJ.