Ten years ago, an extraterrestrial insect hive descended upon Earth, bringing humanity to the brink of extinction. China launched the Shanhai Project, using source matter to forge Source Armor and fight back. Despite ranking at the bottom in multiple physical assessments, Jiang Tuo unexpectedly demonstrated 100% source-matter synchronization and was exceptionally admitted into the elite Chixiao Squad. With the Chiyuan Defense Line under imminent threat, the team ventures deep into a perilous zone to rescue a doctor. Jiang Tuo accidentally awakens the slumbering divine beasts of Shanhai, unlocking the true power of Source Armor. Together with his comrades, he fights a bloody battle against the insect tide and mysterious royal species, defending humanity's last line of defense.