The daughter of the great magician Nadia commits an attack on a strictly guarded repository of artifacts. Stealing her father's ring, which can protect her family, fails, and Nadia disappears. And now her husband Roman, a surgeon from the human world, has to raise three children himself. Years later, teenagers suddenly discover superpowers in themselves, which magicians, including Vera, a tough operative in the Magical Security Department, find out about. The life of the family ceases to be the same, because the grandchildren of the legendary magician have been seriously hunted.