Their world collapsed in an instant. By the will of fate, they ended up in a safe place, locked away from the hostile, bloodthirsty world outside. Now they must not only survive in inhuman, life-threatening conditions where laws and morality don’t work—but above all, remain human. To find one another in this damnably dangerous, deserted city, to understand: it isn’t the end. Together, they are strength, and everything is only just beginning.