Lottie Pumpkin is an ordinary girl - pretending to be a princess. Ellie Wolf is a princess - pretending to be ordinary. The best friends are enjoying life at the magical ans mysterious Rosewood Hall boarding school, despite the efforts of sinister organization Leviathan to uncover their secret. But when the great grows too serious, they are forced to travel to their beloved Rosewood's sister school in Japan. Will they be safe there from the danger at home? Or are some secrets just too serious to hide?