Tory, Pippa, Ella and Christy have been friends forever ?but things are about to change. When Hannah moves to their neighborhood, Torys mom insists that the girls include her in their group. Tory cant stand the idea of hanging out with whiny, babyish Hannah, and the other girls are equally apprehensive. But this unwelcome guest turns out to be worse than annoying?shes dangerous. Hannah is bent on sabotaging Torys friendships and her burgeoning relationship with cute Alex. Now Tory will have to convince everyone, including her own mother, that the new girl isnt nearly as innocent as she appears to be.