When the apocalyptic torrent sweeps across the world, watch how the Chinese soldiers use their steel backbone to build the last Great Wall for the ignition of civilization. Restore the concept of "defending the home and country" from an abstract slogan to protecting specific people - your comrades-in-arms, your family, the city and civilization behind you. It describes the absolute trust and tacit understanding between comrades in the thin line between life and death that they can trust each other's back. Demonstrating hard-core survival skills, tactical coordination and resource management, it satisfies readers' imagination of "how to survive in the apocalypse". The protagonist transforms from an ordinary soldier into a leader who can stand alone and protect one side in the test of blood and fire.
