The emperor of the Nine Heavens chooses a disciple, the medicine boy Nan Wuyue, who has passed through the illusion, the mountain of swords, the sea of fire and the sword duel with his pure heart, but he has to go down to earth and experience thirty years of catastrophe. When Fanchen was practicing medicine, he adopted the orphan girl Gong Ya'er and the troubled prince Song Lange, but accidentally came into contact with the secret of the remnant soul of the wood god thousands of years ago.
Demonic energy suddenly appeared, blood flowed in Blackstone Town, and loved ones died. Returning to the heaven, the war between immortals and demons resumed, and the emperors of the four realms fought bloody battles. After a hundred years of reincarnation, he met his reincarnated disciples again, only to find that the seal of the demon world had been loosened, and a greater crisis was approaching...
From the selection of disciples in Sendai to the decisive battle in purgatory, from a mortal doctor to the emperor of the three realms, see how Nan Wuyue sticks to her true heart in love and responsibility, and uncovers the mystery of fate that spans three lives.
