A hundred years ago, Immortal Venerable Qingmo personally “killed” his demonic senior brother, Moyuan, then kept lonely vigil over an empty grave for a century. But Moyuan returns from the dead, disguises himself as a boy named Liyuan, and joins Qingmo’s sect, his heart filled with nothing but a desire for revenge. As they become entangled, the truth of a century ago comes to light: that sword strike was the cruelest act of protection, dealt in a desperate moment.
Their hatred crumbles, and their love rekindles. Forced to join hands, the two venture into a chaotic secret realm and forge a pact of shared life and death. When the mysterious organization Xu, which seeks to erase the Three Realms and return all things to the primordial beginning, finally emerges, the Immortal and Demon Venerables stand side by side. One wields the power of chaos to burn the sea of stars; the other uses the radiance of the world’s core to restore order.
This time, they fight not for immortals or demons, but for each other and for all living beings.