Cheryl Chase is a 10-year-old girl dealing with her best friend moving away and her brother mysteriously disappearing. To make matters worse, she'll be attending middle school alone with the snobby queen bee Sherry Anders. But one day, she discovers a mysterious gem necklace in her backpack, and with it, a whole other world filled with magic. She and one other must protect this magical world from an evil force that is threatening all life there. Along the way, she'll also meet new friends and deal with hardships at home.