Brenna has achieved the most prestigious assignment a City medic could hero for — working with the renowned scientist Caster in The Clinic's top-secret Military Research Unit. That her new duties include monitoring the health of tortured political prisoners shouldn't faze Brenna — such humanistic concerns have long been dismissed by an oppressive City Government. But Brenna finds herself deeply conflicted by her first patient, Jesstin, a wild and rebellious warrior reputed to be descended from ancient Amazons. As Caster's interrogations grow increasingly more brutal, Brenna fears for Jess's survival and struggles with her own deepening bond with her patient. Through Jess, she learns of another way of life in the Amazon village of Tristaine, where freedom and passion are prized more highly than political power. Before long, Brenna's heart leads her into a fight for her life.