**Introduction to "The Return of Jin Yi"
Lin Wan'er, a medicine-gathering girl from Yunzhou, was forced to enter the palace for the draft, but she didn't know that she was involved in the aftermath of the rebellion at the Imperial Hospital ten years ago. In order to protect her, her brother Lin Yu abandoned farming and joined the army, rising step by step in the intrigues and wars. In the palace as deep as the sea, Lin Wan'er used her medical skills as a blade to deal with the conflicts among the concubines. From a humble beautiful girl to the master of the Phoenix Seal, she found that her encounter with the emperor, her brother's official career, and the death of her parents were all controlled by an invisible hand.
When the border war and the palace's poison hit at the same time, the brother and sister were forced to choose between loyalty and family affection. Lin Wan'er used a silver needle to break the puzzle, Lin Yu guarded the mountains and rivers with iron and blood, and under the glazed tiles of the Forbidden City, the truth about the secret medicine of the previous dynasty, the bloody book of rebellion and the emperor's mind finally burned through everyone's masks with a fire that burned down the palace...
