The cultivation genius Su Yi, known as the daughter of destiny, was supposed to have a romantic relationship with the chosen son Li Shuang. However, on their wedding day, they publicly regretted their marriage and married Zhang Yi, a sect servant who was regarded as a loser. Everyone laughed at her for destroying her future, but they didn't know that Zhang Yi's body contained the remnant soul of the ancient demon king, and Su Yi's true identity was actually the soul-suppressing saint who guarded the demon king.