In a world forever transformed by the magnificent Resonance, Lyra Flynn, a geologist with the astonishing skill of "seismic empathy," must navigate the wreckage of civilization. As she explores the secrets of the Resonance Crystal, an ancient Elyrian artifact, Lyra finds herself in the midst of a war that will determine humanity's destiny. Joined by means of Kael Jensen, a former military Ranger plagued with the aid of his past, Lyra should learn to agree with her rising powers and make new relationships in a changed worldwide. With the Earth's equilibrium in jeopardy, Lyra is confronted with a desire that will test her determination and, most likely, alter the course of human history.