In a not too distant future, a nuclear war has decimated mankind. Three centuries later, survivors live barricaded in cities controlled by the Human Empire, while the inhabitants of the countryside have been mutated by radiation and live in the forests surrounding urban settlements, waging war on the humans.

When both her parents die in a fire, Julia is left to cope alone with a highly bureaucratic and regulated system, with very few select allies. As her loyalty undergoes increasingly harsh tests, Julia draws attention to herself with her cold blood and fierce resolve in battle.

Constantly on the edge between independent spirit and military discipline, Julia will have to decide how to use the power that has been granted her.