During the Chongning period of the Northern Song Dynasty, the dispute between the new party and the old party continued, and the world was in turmoil again. The imperial court promulgated the "Stop the War Order" to collect weapons from all over the world, concealing the plan to reduce the vassal state. The iron scale maker Shutong was involved in the whirlpool because of the ancestral copper scale, and formed a life-and-death bond with the Xixia female spy Su Ningshuang. The two of them unraveled the cocoons in the temple intrigues and Jianghu grievances, and discovered that behind the "Zhi Ge Order" actually implicated the century-old secrets of the Jiedu envoys who returned to the rebel army in the late Tang Dynasty.
Shutong used a copper scale as a tool to realize the "edgeless sword technique"; Su Ningshuang was carrying the "Nine Steps of Hu Xuan", hiding the blood of the messenger. From Bianjing Hongqiao to Dunhuang Scripture Cave, hidden abacus weapons and star map codes are intertwined, and the cracks of bronze and the reflection of the ice surface shine. When the Red Flame Sect's fire bead abacus collides with the turtle button secret letter, the Ziwei star map will finally be seen - the so-called ending of the war is not to end the war, but actually to light up the everlasting light that illuminates the mountains and rivers...
