Unemployed youth Su Jin mistakenly submitted his resume and accidentally joined a mysterious company that shuttles through myriad realms to handle doomsday crises, and was immediately transported to a doomsday world where torrential rain descended to execute fieldwork tasks. He protects Fu Qingdai, a young girl who can predict disasters, rallies survivors to build a team, screens out lurking disguised infected individuals, fights against continuously evolving zombies and powerful enemies, carves out a path of survival in desperate situations, and even uncovers the shocking secret of the inheritance of the fire of civilization.