A female spymaster will face mortal danger to protect her husband and her queen. . .

Mistress Rosamond Jaffrey is recruited by Queen Elizabeth I's spymaster to be lady-in-waiting to Lady Mary, a cousin of the queen who is being courted by Russia's Ivan the Terrible. However, there are some nobles at court who will do anything they can to thwart such an alliance and Rosamond must put herself in mortal peril to protect her ward . . .