The fourth princess of the Liuli Palace secretly fell in love with the demon king during the battle of wits and courage, and gave birth to a son. The Liuli Palace combined the power of the seven sects and spent 800 years to finally capture the demon king. However, the demon king was secretly released by the fourth palace master on the eve of his execution, and fed him to drink the ruthless river water. The fourth princess was punished by the three palace masters of the Liuli Palace. Punished in the Fairy Mountain Cave, the Holy Mother of Glass, who has become a god, rescues her dying child and transfers his soul to a boy in the 21st century. Fate is twisty. 16 Years later, the boy accidentally travels back to 1,000 years ago, and gradually explores the truth amidst the confusing mystery of his life experience...