England prospers under the rule of Elizabeth - the Virgin Queen, Gloriana, the last and most powerful ruler of the Tudor dynasty. However, the great luminary gives rise to a great shadow. In the secret catacombs near London, another queen maintains her court - Invidiana, the ruler of the elves and fairies and other wondrous inhabitants of England, the dark reflection of the earthly star. In the thirty years since Elizabeth ascended the throne, the politics of mortals and marvels have been inextricably intertwined into a continuous series of secret alliances and shameless betrayals, the existence of which is suspected by only a few. The wondrous Lady Luna is sent to spy on Francis Walsingham, head of the intelligence service Elizabeth, and, if possible, manipulate him. Here her path intersects with the life path of Michael Deven, a mortal gentleman, a man of Walsingham. His discovery of an "unknown player" in English politics will test both Luna's loyalty and Deven's courage. Will Luna betray her queen for the good of another world? Will Deven be able to survive in a strange, wonderful world full of intrigue? After all, only the two of them will be able to find the source of Invidiana’s power. Find and destroy...