A bizarre murder uncovered thousand-year-old secrets of the Jin family. The Tianwu Underground Palace, the Black Iron Order, and the false legend of immortality emerged layer by layer. Wang Yichen, a descendant of the Wang family, joins hands with Su Qingyuan, a general master, to investigate the cause of his parents' death.
Each of the six black iron orders belongs to its owner, and the undercurrents of forces from all sides are surging. The poisonous insects in ancient tombs, peerless martial arts, and sects' grievances are intertwined. The mastermind behind the scenes is closing in step by step, and the truth is confusing. The two of them explore the truth amidst murderous intent and solve the mystery of martial arts that spans thousands of years.
