The L1 virus spread fast, stripping every infected person of everything except ferocious aggression. The Prancesco area became an anarchic wasteland of casualties and chaos. Lucy, a former student, is attacked by an infected person on her way home and flees with a man named Samuel. They think they have escaped the worst — but another near-death situation is already waiting for them ahead. In a world saturated with despair and fear, a hand reaches out to the girl still running.