In a world where prosperity is torn apart by despair in an instant, the howls of zombies replace the clamor of city streets. Cities become hellscapes of crumbling ruins and putrid decay. Lin Yu, an ordinary mechanical engineer, clings to his last hope in the midst of desperation: an unfinished exoskeleton mech.
As night falls under a shroud of fear, the zombies grow faster, and the shadow of evolution closes in. Lin Yu must find a way to survive amid danger at every turn, while piecing together the chilling truth behind the zombie crisis.
Will he sink into despair, or use his intelligence and courage to pierce the darkness with the power of machines? In this apocalyptic battle with no way back, every choice means life or death, and every breakthrough shines with the light of humanity.