A week into the acid rain apocalypse, society has collapsed as corrosive rain taints the city water, turning people into zombies. The protagonist escapes the chaos by driving to a rural area with a Pocket Dimension Farm, where young livestock grow rapidly. After resting and enjoying homemade chicken soup inside the fortified RV, they discover a large horde of zombies has surrounded the vehicle, blocking all escape routes. Despite the dire situation, the protagonist prepares to defend their stronghold, ready to confront the relentless zombie threat.