In a dystopian world of the future, apprentice midwife Gaia, who has served the Enclave faithfully along with her parents, is thrust suddenly into a crisis. She delivers her first baby independently of her midwife mother and takes it to the Enclave inside the Wall as the first of her monthly quota of three newborns. Then her parents are arrested and she learns that they will soon be executed. Gaia springs into action and smuggles herself into the Enclave to rescue them. What follows is an exciting, almost breakneck adventure, as Gaia tries to discover what information the Enclave wants from her and her mother and tries to save both of them from prison