When the Dayin Dynasty is in turmoil, Shen Xinghe, a young man from a small border town, accidentally discovers the secret hidden in the ancestral jade pendant - whenever the blood moon is in the sky, ancient mysterious texts will appear on the jade pendant, guiding him to explore the lost "Tian Ji Strategy". It is rumored that this book not only records the secret techniques to subvert the dynasty, but also contains the power to turn things around.
While searching for ancient books, Shen Xinghe met the mysterious female Taoist Qingyao. Qing Yao shoulders the mission of her master and secretly guards the fate of the dynasty, but she gets entangled with Shen Xinghe due to fate. The two uncovered the secret of "Tian Ji Ce" together, but found that behind it was a conspiracy that spanned a century. Above the court, various forces are fighting to the death for the ancient books; in the rivers and lakes, the good and evil factions are surging under the undercurrent of secret techniques. In the fog of history and fantasy, Shen Xinghe and Qing Yao must not only protect each other's sincerity, but also find a way to save the common people in the whirlpool of intrigue and fate. A thrilling legend begins.
