On the day he was demoted to slavery, Pei Yanchuan led 3,000 frontier troops to fight back to the imperial city, his blade pointed directly at the dragon throne. He was once the royal family's most trusted iron-blooded general, but now he has become their most feared avenger. Shen Zhiyao hides in the palace and reveals the millennium secrets of the royal family for him; Zhao Yanzhi holds the military talisman in his hand, swinging between loyalty and redemption; Wei Linchuan and Xiao Zhao have turbulent undercurrents, each with their own agenda. When blood stains the golden steps, who is the real master of destiny?