Lu Chi, a top bioengineer, died of betrayal due to human infighting after ten years of struggling in the apocalypse. When he opened his eyes again, he was reborn three months before the end of the world. In this life, he no longer believes in any force, only his own hands and mind. Using his past life memories and professional knowledge, he started from scratch to build his own apocalyptic fortress in a forgotten and desolate land. But just when he thought he could settle down for a while, he discovered that this apocalypse contained secrets far beyond his imagination, and his rebirth was no accident.