As a war between the humans and the Partials looms, Samm finds himself trapped beyond a toxic wasteland, and Kira finds herself under the control of Dr. Morgan, who is desperate to save the Partials.

Two decades before the events of Partials, the world was locked in a different battle for survival: a global war for the last remaining oil reserves on the planet. It was for the Isolation War that the American government contracted the ParaGen Corporation to manufacture the Partials--our last hope in reclaiming energy independence from China. And it was on these fields of battle that the seeds of humanity's eventual destruction were sown. Isolation...