Exiled from Alencrine

In the distant future, most of the Earth's citizens live in underground cities to escape the nuclear fallout from World War Three. Phirre is a teenage deliquent who joined the most vicious gang in her sector when her father died. Caught dealing arms by a government that will do anything to preserve its appearance as a utopian paradise, she is exiled to the surface, where bloodthirsty carrion circle the yellow sky in endless circles, and the mutated wildlife is likely to kill you on sight. As shock upon shock pile up, how will she cope? Or more importantly, will she cope?