Sophie's quiet life burned out in an instant when a boy of the same age approached her with a strange proposal. It turned out that Sophie is an elf, she has magical powers, which means she can no longer stay with her family and go to a regular school. Now the girl will have elf guardians and she will study at a magic school. But for some reason, no one wants to tell Sophie why she, an elf, was born into a family of ordinary people, as if this knowledge is dangerous not only for the girl, but also for her new acquaintances. This means that Sophie will have to reveal this secret herself - together with a couple of dozen secrets of the Guardians of the Lost and Forgotten Cities...