Many dismiss the lies fed to them by a familial line of crooked presidents and choose to live outside the city's walls. But when a new president takes control, he wages a war on these Outsiders, and their leader's daughter Deryn Leon is caught in the crossfire.

Five years later Deryn is a slave. Beaten and starved, she has little will to go on. But when a chance encounter leaves her with a means for escape, the forgotten fire inside of her ignites once more and she takes the opportunity with one swipe of a knife to her owner's throat.