"The Twelve Hours of Chang'an" is a costume suspense drama directed by Cao Dun and starring Lei Jiayin and Yi Yang Qianxi.

The play is adapted from Ma Boyong's novel of the same name. It tells the story of Chang'an City falling into crisis on the eve of the Shangyuan Festival in the Tang Dynasty. Chang'an death row prisoner Zhang Xiaojing was ordered to face the danger and joined hands with Li Bi to save Chang'an within twelve hours. The play was broadcast on Youku Video on June 27, 2019.

Series Introduction

Zhang Xiaojing was born as a soldier in the Tang Dynasty. After he retired, he was appointed as a "bad person" in the local security of Tangcheng. Imprisoned in prison. The Jing'an Department responsible for the security work in Tangcheng discovered the suspicious persons who had sneaked into Tangcheng. Due to Zhang Xiaojing's familiarity with the personnel and geography of the incident location, the Jing'an Department specially appointed Zhang Xiaojing to perform meritorious service and solve the case.

After Zhang Xiaojing’s investigation, it was discovered that the enemy’s conspiracy was to create chaos in the gathering on the night of the Lantern Festival. There are only a few hours left before the Lantern Festival Lantern Festival. Zhang Xiaojing must catch the assassin who sabotaged the Lantern Festival before the Lantern Festival.

During the investigation and pursuit, Zhang Xiaojing also discovered that there was an enemy inside the Jing'an Division. In repeated battles of wits and courage, Zhang Xiaojing finally exposed the mastermind behind it at the last moment, prevented the destruction from happening, and rescued The common people in Chang'an City.