Forced to flee her home District after crossing the Center, a beauty mill with secret government ties, Kiera Rieman and her friends travel south to seek refuge with a rumored resistance group. They wind up at Newhaven, a secret community housed in an abandoned mental hospital in the Southern District, with a mysterious leader set on revolution. After several ambushed supply missions, Kiera realizes that not everyone is who they seem at Newhaven. Is there a spy among them, or has the Center finally caught up with Kiera? New alliances form even as their circumstances test old friendships, and Kiera discovers that she is stronger than she ever thought she could be. With the lines between the righteous and deceitful blurred, will the resistance fail, or will Kiera fulfil her destiny to save them all?