In the fifth year of the apocalypse, Shen Zhiyao is betrayed by her boyfriend and best friend and dies in a zombie horde. Unexpectedly, she is reborn five days before the apocalypse begins. Armed with memories of her previous life, she binds herself to a spirit pet system, awakens a mysterious spatial dimension and lightning powers, and frantically stockpiles supplies to build an impregnable doomsday fortress! From forming contracts with a lucky white rabbit and a mutated white fox to unlocking dual lightning and fire abilities, she slays zombies, settles scores with her enemies, and recruits powerful allies. As mutated creatures continue to evolve and the darkness of human nature gradually comes to light, one crisis after another emerges. With her intelligence and strength, Shen Zhiyao defies fate, gathers powerful ability users, and establishes her own survivor base.