It’s true what they say: nothing happens by chance in life. It would seem, what need was there for housekeeper Marion to save the Ali envoy who had arrived at the ducal castle? It seems like nothing! But it turned out that he had business with her, and a very important one. It concerned a mysterious magic key, which had once been given to her grandmother for safekeeping by the Aliyah, but which was now needed back. And who will now explain why the key is so important and which door it should open or, conversely, lock? And is it true that it used to belong to greedy and evil fairies who fled from this world? And most importantly: will Marion now be able to live as before or will one day have to give up everything and go wandering, saving the most precious thing she has in the world?