Due to a conspiracy in the heaven, Li Mo became the vessel of the witch Qingyun, but her fellow sects in the fairy world disliked her in every possible way because she was a mutant snake. Under the difficulties of her fellow sects, she met the demon king Xiao Jingchen by chance. The two hit it off and became master and apprentice.
In order to get rid of the fate of "vessel", Li Mo pretended to die with the help of Xiao Jingchen and was reborn as a saint in the demon world. After that, she used her ability to spy on people's hearts and her tears that can detoxify all kinds of poisons and cure all things. Together with the male protagonist, she rescued Ling Yue, Sinuo and other people who were bewitched by Bai Shu.
Unexpectedly, Bai Shu found out the truth about Li Mo's fake death and took the opportunity to plot against Xiao Jingchen to threaten Li Mo. In order to protect Li Mo, Xiao Jingchen took the initiative to fall into the trap and successfully helped Li Mo get rid of the fate of being a "vessel". In the end, the two of them understood each other, worked together to defeat the villain and finally got married. The ending was:
Intention: Stand up and be self-reliant