Time: Twenty-fifth year of Kaiyuan (737 AD)
Geography: With Chang'an as the core, radiating the Silk Road
Political background: In the early days of Li Linfu's dictatorship, the power of border towns rose
Core Character
Di Mingyuan: Shaoqing of Dali Temple (grandnephew of Di Renjie)
Pei Jiuniang: Orphan of Hu Shang/Underground Intelligence Leader
An Chengsi: a bad handsome man of Turkic descent
Princess Yuzhen: Keeper of Royal Secrets
