After a night of terrible sacrifice and loss, Ava and Lucas have crossed a sacred boundary. Their forbidden bond has awakened the wrath of the Makhai, a fanatical gang of killers who will stop at nothing to wipe out the last of the Gaia. As Ava and Lucas flee across the globe, they are tested by violence, betrayal, and a mysterious curse of fire.
Just as Ava needs her powers most, she is losing controlstruggling to accept her new identity as the Alpha Gaia. Within her lies the power of the howling wind, the raging water, the boiling lava, and the quaking earth. It's a power that frightens herand it's growing. With Mother Earth herself stoking the flames of Ava's fury at the destruction of her world and the killing of her people, will Ava be able to channel her power for good, or will she be consumed by the fire of her rage?