Lilliana Trescott and Anastasia Hartford are sworn enemies. But, then again, that's just how a High School society works. Lilliana, the new girl, is trying as hard as she can to blend in, not to be recognized or stand out. Anastasia, on the other hand is the most popular girl in the school, and has a whole posse of girls following in her stead. What Lilliana wouldn't give for a day in Anastasia's shoes...Becoming a bossy, stuck-up girl who could get whomever and whatever she wants. However, when the two girls are whisked away together to a parallel universe, a world where they discover their true heritage, they must learn that the bond between friends can save others...and themselves