72 Hours after the zombie virus broke out, Chen Zheng relied on the supplies he had hoarded to gain a foothold in the suburban warehouse. When mechanic Lin Xiao broke in with the seriously injured Dr. Zhou, he realized that he couldn't get far alone. Grain merchant Zhao Desheng provides supplies but demands sky-high commissions. Young boy Xiao Qi retrieves a vague map from the sewer, and Scar in the industrial area is using radio to spread false safe zones. Chen Zheng must integrate this group of survivors who have their own thoughts and find the source of the virus before the zombies siege the city - because Lin Xiao discovered that the zombies seem to know the tactics of siege.
