Jewel, an orphan who survived the slums of Averalaan and the demonic dangers of Undercity, becomes a key figure in the House of Terafin of the Essalieyan Empire and must now take part in the House War.

Jewel tries to find her way to the Winter Queen to beg her to stop the Sleepers, ancient princes who slumber beneath the city, from waking and destroying her homeland.

To save the city Jewel Markess ATerafin must go to see the Oracle. She leaves a House that is still divided, and a city in which demons have begun to move. Jewel has always seen glimpses of the future which she cannot control and cannot always understand. To master her birthright, she chooses to walk the path of the Oracle. But the path she travels was old when the gods ceased walking the world, and now ancient creatures wait for her, to make sure...