Su Ruoyi was heartbroken, and in despair, she wanted to commit suicide. Rescued Zhao Xuan who was dying by the school lake. Zhao Xuan lost his memory and depended on Su Ruoyi's world from then on. With the help of the rich second-generation grandson Che, Su Ruoyi started the transformation from an ugly duckling to a white swan, and the two became a happy couple. Zhao Xuan acted secretly to search for the thousand-year-old tomb from the Spring and Autumn Period and the Warring States Period, hoping to find the Li family who guarded the tomb. Through them, they can find the descendants of Nuwa, the Wu Clan, and obtain the secret of the Immortality Gate. However, they were obstructed by the forces of the underworld and faced many crises. The entire university town was filled with a strange aura from the underworld. Su Ruoyi, Sun Ziche and Zhao Xuan set out on the road to find the Gate of Immortality. Those who pass through the Gate of Immortality, the living can live forever, and the dead can be reborn. But the Gate of Immortality is by no means that simple. It has another little-known secret. Once the door to immortality is opened, whether it will be a blessing or a disaster is unknown. The road to the Immortality Gate is surrounded by dangers. The Wu clan was destroyed by the underworld. Where will Su Ruoyi and his party go?