Having escaped their city, Juniper Greene and her brother Bear have settled in Ennerdale with their dad and his family. Every day the wild introduces them to a new wonder, but Juniper can't stop worrying about her grandmother and best friend left behind. When she hears news that disease has entered the city, she's determined to bring her loved ones to safety.

Trapped in a city riddled with disease and run by a ruthless leader, Etienne longs for the wild. With the guards becoming more aggressive to counteract the growing rebellion, Etienne's prepared to fight for his freedom. But will he be able to protect himself and keep those around him safe until Juniper returns from the wild?