Wei Wuxian died overnight, and there was no more love in the world. Lan Wangji galloped towards the nightless sky at night, but in the end he was unable to recover the falling figure.
Until the sound of the flute in Mojiazhuang comes again, and the old friend is reborn with a mystery. The two followed the line side by side to clear up the grievances of Qiongqi Dao and Evernight Sky, and finally made the truth known in front of the Guanyin Temple. He is responsible for rectifying Xuanmen as the Immortal Governor. The past is clear, the love remains, spanning the time of life and death, and finally composes an unfinished song of reunited friends and guarding the mountains and rivers together.