The soul lamp of the seventh life is extinguished, the underworld is in chaos, and the souls of the dead are out of control. Only Xie Yan can use blood as a guide to rekindle the lamp flame. She was cold-faced and walked alone in the Netherworld for eighteen years, but in her eighth life, she was blocked by Fu Zhuo - the priest who had personally sealed her reincarnation for seven lives. There was regret in his eyes, there was a sword hidden in her sleeve, the soul lamp was not extinguished, and the cause and effect was not over yet. When the blood mist filled the nine-layer coffin, she finally understood that he was not here to kill her, but to burn out the last ray of Yang life for her and let her regain the control of Yin law. The wronged souls of the seven generations cried together. She turned around and crushed the ladder to heaven. Using her soul as a guide, she took back the lamp that should have been hers.