After losing his father, Roma stopped believing in goodness and became defiant and disobedient. Together with Vitya, a timid younger pupil, they sneak into the house of a mysterious old man, where they find magical books containing characters that have come to life. Through carelessness, the boys unwittingly release an evil sorcerer into the world. To save his friend and put everything back as it was, Roma must do the impossible: believe in himself once more.
