When Ethan wakes after the chilling events of the Eighteenth Moon, his one goal is to return to Lena and his loved ones, while back in Gatlin, Lena vows to do whatever it takes to bring Ethan home--even trusting old enemies and risking the lives of those Ethan left to protect.

Swarms of locusts, record-breaking heat, and devastating storms ravage Gatlin as Ethan and Lena struggle to understand and control the impact of Lena's claiming, which is even causing her family members' abilities to dangerously misfire.

"In this extra special installment of the Keeper of the Lost Cities series, the story picks up right from Legacy's particularly devastating cliffhanger. But chapters alternate between Sophie and Keefe's perspectives to give readers deeper insights into both beloved characters. New powers will be discovered. Hard truths from the past will come to light. And all of your favorite characters will find themselves tested in ways they never imagined"--

As tensions rise, they must stay close together and patrol the DC streets at night, seeking signs of the Harbinger, an entity that is killing Wardens and demons with no seeming rhyme or reason. Forbidden to be with each other, Zayne and Trinity fight their feelings and turn to unusual sources for help -- the demon Roth and his cohorts. But as deaths pile up and they uncover a sinister plot involving the local high school and endangering someone dear...