[Apocalypse + Zombies + Ordinary People] After three years of a zombie siege, everyone believes the underground ark is their last safe haven.
Lu Xun, an engineer, accidentally discovers that the ark's leaders are using survivors in experiments to match them with viral vectors!
Armed with a complete map of the underground, Lu Xun joins forces with the survivors on the lowest levels to take on an ambitious commander and expose the brutal truth behind the Host experiments!
After finally leading everyone out of the ark, he realizes that this is only the beginning of their struggle to survive. The road ahead is full of danger, and a new battle of city-states and technological warfare is about to begin.
Note: This is a realistic, hard-edged apocalypse story. There is no System or supernatural power. The plot follows protagonist Lu Xun's struggle to survive.
