Animosity between the genetically engineered Elites and their human subjects is fierce, and many rebels fight back against Elite rule. Hays Baker is a high-ranking agent in the Elite forces and at the forefront of keeping the humans under control. However, Hays is unknowingly hiding a secret that will make him the greatest threat to the Elite regime, and their number one target.

Hawk accepts her mother Max's help to prevent vengeful hybrids, amoral scientists, traitorous politicians, and a deadly virus from overwhelming her beloved, polluted city. In the City of the Dead, life happens in the shadows. That's why a war is brewing against an enemy no one can see. For Hawk, being a hero weighs heavily on her wings. But Hawk and Maximum Ride never back down from a conflict, or from each other, and they argue more than they agree....