Ever since the polar fox cub Dilla’s parents died, a real hunt has been launched for the package with the Moonstone that his mother managed to give him, and for him himself. After all, the Moonstone, like a compass, can lead to the great treasure of the patron of Arctic animals, Ulla. It gives incredible power to fulfill all the deepest desires of its owner. Dilla also has a cherished dream - to become a real Human. But in order to understand the meaning of life, he will have to overcome himself and many obstacles on his way more than once. Will Dilla be able to solve the mystery of the Moonstone? And where will it lead him? For middle school age.