In the Xuan Dynasty, the way of heaven is respected. In addition to the leader of the way of heaven, Wen Renxi, there are six elders with special skills. Among them, Shunhua, the poison goddess, is famous for her poison skills. By mistake, Shunhua found Huiyin, an orphan of the master's poison emperor lineage, and taught him the poison skills. Huiyin, Wenrenxi, under the prophecy of one of the elders, the prophet Qingyi, and the instigation of several other elders, determined to erase the existence of Huiyin. Shunhua was the only bloodline to protect the Poison Emperor, but Wenrenxi slaughtered all his family members. After sending Huiyin away, he was deeply affected. The whereabouts of the injured Shunhua are unknown... Huiyin discovers from Shunhua's Yujue that Shunhua is not dead, so Huiyin embarks on a journey to find a teacher. On the way, she meets Yan Sui, a young master from a noble family, Yu Zan, a wandering free swordsman, and Yun Wei, a proud daughter of nature with a withdrawn personality. , With the help of friends and her own persistence, Huiyin transformed again and again, but her whereabouts were discovered by Wen Renxi, which caused many obstacles in her way forward. The love between Yan Sui and Yu Zan made it difficult for her to choose. Where should she go when she is in deep trouble?