Lucy has become a firm fixture in the household of Dr Dee, a real-life figure who was court magician to Queen Elizabeth 1. Lucy, in return for saving the queen's life, has been told that she is to work as a spy for Her Grace and that she is to remain with the Dee family and await further instruction ...And then Lucy hears unexplained cries in the Dee house, and finds a young girl imprisoned there. What is Dr Dee doing? Lucy means to find out.