Chen Mo awakens the ability to forcibly travel between worlds and falls into a zombie apocalypse. To survive, he risks his life to call for national assistance, bringing in the most elite special forces and a scientific research team. Together, they venture into another world, uncover the zombies' weaknesses, crush the zombie hordes with overwhelming firepower, and win over wasteland survivors with food and order. After gaining control of the portal, the three heavy mechanized brigades of Great Xia expedition into the other world to establish a base. As the intelligence and resources of two worlds collide and merge, they successfully activate the super mecha Leize, sweeping away swarms of insects in a desperate battle. To secure total victory, modern Great Xia mobilizes the entire nation, secretly screening soldiers under the guise of routine physical examinations, and strikes back against foreign blockades with the ultimate trump card of nuclear fusion. A world-saving war spanning time and space unfolds in full.