Chu Zhaoran was once a princess, but she was deposed because of an unjust case and was imprisoned for ten years. Hiding his name in the Medicine Valley, he learned the art of strange poisons. The power of the Dayin Dynasty was in conflict, and the fog of old cases remained. She returned to the capital and sneaked into Prince Jing's palace as a maid. Work step by step, use toxicology to break the situation and find out the truth. Prince Jing, Xiao Jingheng, is cold-faced and taciturn. He is in charge of the prison and hides the mountains and rivers in his heart. The two went from testing and dealing with each other to joining hands to fight against the enemy. There is a surging undercurrent in the mansion, and the situation in the court is changing. She uses intelligence as a blade and poison as a shield. Uncover the secrets of the Three Dynasties and reverse your destiny. The deposed concubine returns not for love, but for truth and justice. A battle between intrigue and poison begins.
