Tang Xiaodie is a concubine of the Tang family. She was framed by her eldest sister and pushed into a poisonous pool. Before she died, she gained a body that was invulnerable to all poisons. She escaped from the Tang Clan, opened a medical clinic in Jianghu, and used poison to treat people. The eldest sister led people to kill him, but she used poison to kill him. The Tang clan elders begged her to go back, but she refused. She eventually fell in love with a swordsman, but the swordsman was poisoned by his enemies. In grief, she used up all her poison power, became a mortal, and died alone.
