The Lan family has twin girls, one with white hair and one with black hair. The elder sister was taken to the mountain by a Taoist nun to practice medicine since she was a child. She is a good doctor and poisoner but has a sharp tongue and a cold heart. The younger sister married into Prince Zhan's palace and became a concubine. She was weak and endured all the oppression. The family was suddenly wiped out, all five sons died, their parents died tragically, and only two sisters were left alive. When my sister went down the mountain, she found that she was suppressed by the concubine, bullied by the princess, and even involved in Prince Jing's conspiracy to seize power. The sisters join forces to counterattack, one uses poison to predict life and death, and the other uses the opportunity to stage a comeback. Dig out the real culprit behind the scenes and reveal the truth about the twin curse. In the end, the younger sister won the favor of the prince alone, and the elder sister cut off her grudges and took the cat with her to the far end of the world.
