After the monk Xia Xunzhi woke up from the ancient war, he became the only surviving monk on the earth. After he realized Taoism and became an immortal, he found that there was no so-called immortal world to guide him. So he decided to declare himself a cultivator and return to the secular world. He wanted to find the reincarnation of his relatives in the mortal world, but found that the world was in an apocalyptic crisis. His brother Mu Chan, who he finally found, hid under the human body in order to survive...