Lin Feng, a modern special forces soldier, transmigrates into the body of Zhao Cheng, the foolish heir of the Dazhou Dynasty, and activates the Merit System. He is caught up in the storm surrounding the unjust execution of Duke Wei, Xiao Han. Xiao Han's daughter, Xiao Ling'er, is betrothed to Zhao Cheng, and the family is exiled to the Southern Wilderness. Using the System's power, Lin Feng protects everyone and helps them escape danger. He outwits bandits who ambush them, resolves a malaria crisis, and forges alliances with the Southern Wilderness tribes.
He exposes the emperor's plot to frame loyal subjects and joins forces with former subordinates and members of the imperial clan. With his tactics and System rewards, such as Mohist mechanisms and the Heavenly Dao's predictions, he repeatedly defeats enemy forces and humiliates the treacherous minister Wang Liang. Xiao Ling'er helps him consolidate his power with the tiger tally and secret edict left behind by her father, and the couple face their enemies together. In the end, Lin Feng ascends the throne and institutes benevolent policies. Using high-yield rice seeds and ancient sericulture techniques, he makes the nation prosperous and powerful, ushering in the
