A mournful day has come at the Academy of Higher and Applied Magic - the faithful assistant to the rector, who held the post of Great, has died. And now, in order to own all the elements, the head of the academy needs a new partner who will share not only power with him, but also a bed. The young teacher Ilona Guardi receives an invitation to the competitive selection, but by all means tries to avoid this. Not only does she hate the rector, the secret of her origin may be revealed at the selection, and then troubles cannot be avoided...