According to legend, after Pangu opened the heavens, in order to stabilize the space, Hongjun Ancestor took the yin and yang of heaven and earth and refined them into the Xuantian Divine Sword with the power of heaven and earth. Standing at the peak of the Nine Heavens, protecting all the people of the world. One day, Emperor Taiyi and Demon Emperor Jun were in heavenThe fierce battle in the world accidentally disturbed the Xuantian Divine Sword that was being cultivated, and the sword body and scabbard were knocked down to the mortal world by the spiritual power gathered by Taiyi and Dijun. The sword body was born in Xingxiang Town, Zhou Prefecture, and became the Duke of Zhou Prefecture, Zhou Qian, but lost itMemory and spiritual power. The sword scabbard, carrying memories and incomplete spiritual power, falls into the Peach Blossom Forest and is known as the Peach Blossom Fairy for helping the world and saving people. The Eastern Emperor Taiyi seriously injured the Demon Emperor Jun, who had no intention of escaping to the mortal worldDiscovering that the sword body had fallen into the mortal world, he wanted to control the Xuantian Divine Sword and subsequently destroyed the entire Zhou family. Zhou Qian continuously cultivated his magic and embarked on the path of revenge. During the process of subduing demons and eliminating demons, he met the demon slayer Ling Er and became his companion. Finally, they met the destined fate of Peach Blossom, and with the efforts of the three, they defeated the Demon Emperor Jun and protected the safety of the world.