In the post-apocalyptic wasteland, the skeleton clan is raging, and humans retreat to the rock fortress to survive. The former lone hunter {Lin Jin} was ordered to form a Broken Blade team in the face of danger. Starting from beheading the Skeleton Tribe commander, they fought bloody battles to break the situation. The team was ambushed repeatedly, uncovered the ghost Gao Lang in the fortress, and cleared the internal undercurrent; they went deep into the abandoned biological laboratory, discovered the shocking conspiracy of the skeleton gene incubation, and killed the newborn nest of evil species; faced with a large-scale encirclement and suppression led by the regional commander of the skeleton tribe, they set up an ambush in the Broken Ridge Canyon, and the weak defeated the strong to complete the beheading; finally, they went straight to the deep space anchor point of the core of the skeleton's earth and space, killed the mastermind of the skeleton, and completely cut off the skeleton's space connection. {Lin Jin} grew from a lone warrior to the commander-in-chief of a fortress mecha. The Broken Blade team transformed from a temporary patchwork to the most powerful blade in the apocalypse. They guarded the last fire of mankind in the blood and fire, and started a new journey of rebuilding the wasteland and tracing the origin of civilization.