When the apocalypse arrives and cities are overrun with zombies, the socially anxious young woman Yu Qingxian struggles to survive alone at home for a month. Seeing how freely zombies live together, she has a sudden realization and unexpectedly becomes a zombie who retains her own consciousness. From then on, she fears neither heat nor cold and feels no pain, so she decides to travel on foot across the world. Along the way, she observes proper etiquette and treats others kindly. She encounters human teams clearing out zombies, meets all kinds of people surviving the apocalypse, and comes across a kind woman who gives the dead a proper burial. Taking the chaos of the fallen world in stride, she wanders at her own relaxed pace. With her unusual identity, she makes her way freely through the harsh post-apocalyptic world, encountering countless heartwarming moments and amusing everyday adventures.