Due to the wrath of the Emperor of Heaven and the thunder in the sky, the Antarctic Emperor Zixuan was demoted to the mortal world to spend a hundred years to protect the land and water. Unexpectedly, he rescued the frozen snake demon Jing Ke. Hundreds of years are just a blink of an eye in the seemingly endless life of the immortal demon. The immortal family has no desires and disdains the emotions in mortals' mouths. However, in these hundreds of years, Jing Ke's indifferent figure seems to have penetrated into Zixuan's bone marrow and stored in Zixuan's blood... There are differences between immortals and demons, and can the evil relationship be continued?