A sudden viral disaster swept across the world, the world was in ruins, and zombies were rampant. The originally ordinary Li Ran was forced to team up with courier Zhang Ergou, "venomous" doctor Lin Xiaoyu, old professor Lao Cao, and two-dimensional girl Su Ye to face the depletion of resources, the threat of monsters, and the tearing of humanity. Facing the chaotic apocalypse, these five people use their witty daily lives and unrelenting jokes to embark on a journey to find redemption and build a new civilization in a desperate landscape. From self-rescue in the community to exploring doomsday black technology, to confrontation with various forces, they progressed through levels and upgraded, ultimately determining the future of mankind. Finally, when they brought long-lost laughter and hope to the wasteland world with the humor and wisdom of little people, the dawn of a new civilization quietly rose.