Xiao Tiance, the seventh prince who was once the most dazzling genius in the empire, was poisoned and mentally damaged, and became the laughing stock of the royal family, "the foolish prince." He was regarded as an abandoned son in the struggle to seize the rightful son, and was exiled to the southern barbarian land where miasma was rampant and hundreds of Yue were scattered. Everyone thought he would die in the fiefdom, but little did they know that although the poison damaged his memory, it accidentally activated his innate talent of "absolute sense of space". With this talent, Xiao Tiance can understand the meridians of the human body and perform miraculous surgical operations, plan the most perfect irrigation and farmland layout, and explore mountains and terrains to find treasure veins. On the surface, he continues to play the role of a crazy and foolish prince, but secretly he works step by step, reclaiming wasteland, building water conservancy projects, improving farm tools, saving lives and healing the wounded, winning people's hearts, and training private soldiers. Starting from a dilapidated palace with only three servants, he gradually built the barren southern barbarian land into a paradise with wealth comparable to that of Jiangnan. As the fief became increasingly powerful, conspiracies from the court, fear from brothers, and covetousness from enemy countries followed one after another. While Xiao Tiance used his "stupid" appearance to confuse his opponents, he used thunderous means to crush all incoming enemies. In the process, he also gradually recovered his lost memories, uncovered the shocking conspiracy that led to his own murder, and finally, based on the Southern Barbarians, pointed his sword at the Central Plains, opening a path to becoming a king who defied nature and changed his destiny.
