Two hundred years ago, four corpses disappeared mysteriously. In the end, only three were recovered, and the whereabouts of the other remains unknown. Soon, zombies became rampant and mankind entered the end of the world. In the next two hundred years, humans continued to struggle to survive among the decaying zombies, and searched for the reasons for the emergence of zombies in the cracks, but they did not know. Until two hundred years later, in the post-apocalyptic era, a group of zombies mysteriously appeared, kicking off a new journey to reveal the mystery of zombies.