By chance, the woman from the mortal world, Af, saved the strongest man in the Three Realms and Nine Continents, Helenze. She forcibly took Af and brought her back to the Demon Realm. In order to be with Af forever, Helenze finally waited for her to become pregnant with the Demon god. Helianze killed the Upper Qing Realm and took the heart blood of the Three Thousand Gold Immortals to nourish Af. However, he accidentally discovered that Fenglai Goddess Yunyao not only looked like Af but was also an excellent donor to support her. Therefore, he sent Yunyao to the Demon Realm. Unexpectedly, Yunyao mistakenly believed that Helianze had fallen in love...