A modern herbalist crosses into the Hongwu era, accidentally replacing the imperial grandson Zhu Yuncong who died from falling off a cliff. The original owner met a tragic end in history, and looking ahead, Zhu Di would soon launch the Jingnan Campaign to seize the throne. Since Zhu Di can snatch the imperial throne, the protagonist, relying on modern knowledge, must also fight for it. Refusing to lie flat, he bides his time to save his life, secretly accumulates power, quietly awaits the shifting winds and clouds, and stages a heaven-defying comeback in the whirlpool of Ming Dynasty imperial power.