Untamed power. Untamed passion.

Nesta Archeron has always been quick to anger and slow to forgive. And the one who irritates her more than anyone else is the winged warrior Cassian. However, it's not the only thing he ignites, resulting in sparks turning into flames when Cassian and Nesta are forced to train for battle together.

As war looms threateningly on the horizon once again, Nesta and Cassian are called to face monsters of various forms, fighting for the right to survive. But the ultimate test will be the quest for acceptance—and the healing of the wounds they carry—in each other's embrace.