Cassie Knight's best friends from Texas are coming to visit her for her birthday, but when they arrive, they don't like her new best friend, Etoile, and Etoile doesn't like them.

Cassie Cyan Knight -- former Texas girl, forever fashion plate -- has finally started to adjust to life in preppy, rural Maine. But then Cassie learns that the sixth grade is going on a field trip to a nature preserve! How on earth is Cassie supposed to survive without cell reception and hair products?