The film tells the story of ancient times, when heaven and earth first opened, the three realms were chaotic, and gods, humans, and demons intermarried with each other. The Heavenly Court does not have a deity in charge of human relationships, the only Three Lives Stone with the divine power of reincarnation of relationshipsBut she was placed in the underworld by Empress N ü wa, year after year, until one day, a girl in red appeared, and everything changed You stay in the east and forget about the river, I stay in the west and forget about the river, clear and forget about the water, leisurelyAccording to my heart.