The second book of the Mystics series catches us up with Jia and Ember. They work to rescue their people and rid the Earth of the Dark Ones while trying to decide which planet is their home-Earth or Kilhean? An ambush sends them to Kilhean to save their lives and there they learn a new way of life. Back to Earth for a final battle, they must also make the decision of where they will live. With Seth and Wilder with them all the way, the girls test the limits of their strength as they forge ahead into the unknown.