Suspense novel author Shen Yanqiu inherited his grandfather's old house and accidentally discovered the yellowed "Yin and Yang Notes". On the title page, the words "Those who can see yin and yang must bear the responsibility of guarding the world" revealed the fate of his natural yin and yang eyes. His grandfather died mysteriously and the old house was filled with evil movements. Yunling, who claimed to be a descendant of Maoshan, came to the door and told him that he was involved in a yin and yang crisis that spanned a century.
The two followed the clues in the transcripts, from the sound of hair being combed in the middle of the night in a gloomy ancient house, to the marriage curse of water ghosts in the misty ancient town; from the dark soldiers taking advantage of the passage in the ancient tombs of the Warring States Period, to the ghosts in cheongsam in the courtyard of the capital, to the awakening of the king of all poisons in the forbidden land of Miao territory. Every strange thing points to the sacrifice ceremony twenty years ago, and behind it lies the conspiracy of the evil magic family to resurrect their ancestors and subvert the balance of yin and yang.
Shen Yanqiu used reasoning and logic to interpret strange phenomena, and Yun Ling used Maoshan Taoism to solve evil spirits. The two gradually developed a love between life and death. In the end, they gathered good ghosts and guardians, and on the ultimate battlefield at the junction of Yin and Yang, using the power of "Yin Yang Records" and the will of all people as a shield, they uncovered century-old secrets, protected the balance between the human world and the underworld, and continued to write the legend of a new generation of guardians.
