Lin Kai transmigrated into the world of immortality, where his village was slaughtered by the demonic sect, and his fiancée, Ye Ningshuang, went missing. He hid in the mountains and forests, single-mindedly seeking revenge and searching for his wife. Later, Lin Kai mistook the demonic empress Leng Qinghuan for the leader of the righteous path and became her disciple. Leng Qinghuan fancied his heavenly golden core and conspired with her disciples to refine him into a supreme immortal pill. However, after being harmed multiple times, Lin Kai's cultivation skyrocketed instead, panicking everyone. Through living together, Lin Kai's righteous actions moved everyone, and they took the initiative to confess their identities. Bearing no grudge, Lin Kai led the demonic sect disciples back to the righteous path and restored peace to the immortal world. In the end, the demonic sect turned into an immortal sect, Lin Kai subdued all sects, and he also discovered that Leng Qinghuan was none other than Ye Ningshuang.