Ten years after the fall of the previous dynasty, Lin Wan, an orphan, hid in the world. He was equipped with a secret system for identifying medical poisons and held a jade pendant that contained astonishing powers. The plague was raging in the south of the Yangtze River, and she used poison to fight poison to save the people, and she became famous. The court spies on him, his old subordinates show up, and his identity is at stake. She skillfully uses the system to resolve crises, win over people's hearts, and achieve success step by step. The prince patrolling the border, Xiao Jingheng, protected him wholeheartedly, and in the whirlpool of power and intrigue, she took advantage of the situation. The road to revenge and restoration of the country has begun. Medicine can live, poison can kill. She stirs up the world with two-sided means. The court is in turmoil and the rivers and lakes are undercurrent. She will eventually reveal her true identity and take charge of the world.
