In the not too distant future Umbra City was devastated by an explosion that genetically mutated hundreds of citizens caught in its path, creating a wave of genetically altered mutants and beings with incredible abilities.

 

The neighborhood surrounding ground zero, now nicknamed "Zero Zone", has become home to the altered and a lawless cesspool of prostitution, gang disputes, and super villainy. The rest of the world and it's heroes turn a blind eye to the Zero Zone but it does have one dedicated protector, and her name is Attack-Girl.