Ye Ziling is a gifted girl who inherited her family's supernatural power of the Yingyang Eye, but she thought she would also inherit the family curse, doomed to die at the age of 18. Until a suspicious man suddenly appeared, claiming to be her fiancee and treating her with doting devotion. It turns out that he's no ordinary man, but the King of the Underworld himself. As unbelievable events unfold, a love that spanned three lifetimes will be consummated, and a conspiracy across the three realms of heaven, earth and hell must be defeated. How will they come together to find a way through?