In the year 888 of the Stellar Calendar, on Planet B43, a zombie virus breaks out. Those bitten suffer brain death, behave abnormally, and attack everyone they see, biting people and even dogs. The virus spreads extremely quickly. Chen Zui and Li Suisui are camping together, and Chen Zui plans to propose to his girlfriend, Li Suisui, inside their tent. Unexpectedly, a zombie that bites people suddenly bursts out of the neighboring camping tent. The two begin fleeing, but during their escape, Li Suisui is bitten. Unable to bear abandoning her, Chen Zui takes his girlfriend back to his hometown for 'treatment.'