It tells the story of Mu Yunhuang, the legitimate daughter of the Duke of Zhenguo. When she was seven years old, she witnessed the tragic death of her mother Bai Zhi who was slandered by her stepmother Liu as an "illicit affair". She was also abandoned in a mass grave.
He was saved by a mysterious old man when he was about to die. He spent ten years practicing medicine, poison, martial arts, and metaphysics, vowing to avenge his mother.
Returning under a pseudonym at the age of seventeen, she stirred up the turmoil in the capital as a miracle doctor. In the whirlpool of conspiracy and love, she gradually uncovered the shocking secret of her mother's death - which actually involved the treasures of the previous dynasty, the magic of immortality and the deepest darkness of the palace. But when she finally took the life of her enemy in her hands, she discovered that her mother might not be dead, and that she was also burdened with the genocide curse of the "Phoenix Bloodline".
This is a game about revenge and redemption, the struggle between a doctor's kindness and Shura's methods. In the end, she will use the silver needle in her hand to rewrite the fate of the entire dynasty.
