Jiang Wanwan of Medicine King Valley returns to the capital bearing a lingering, delicate fragrance, only to become a key piece in the schemes of every faction. The cold-faced Prince Jing Heng falls for her at first sight amid the whirlpool of power struggles. From the selection of a consort and their grand wedding to standing side by side against their enemies, the scent of herbs intertwines with the hard edge of battle. The cherished girl in his palm becomes the blood of his heart, and together they write a legendary tale of emperor and empress, protecting their splendid land...