Lottie Pumpkin is an ordinary girl who longs to be a princess, attending Rosewood Hall on a scholarship. Ellie Wolf is a princess who longs to be ordinary, attending Rosewood Hall to avoid her royal duties in the kingdom of Maradova. When fate puts the two fourteen-year-olds in the same dorm, it seems like a natural solution to swap identities: after all, everyone mistakenly believes Lottie to be the princess anyway. But someone's on to their secret, and at Rosewood nothing is ever as it seems...