Li Mi (Jackson Yi) is the head of Chang’an’s anti-terror department, and is tasked with investigating a group of mysterious Turks who have infiltrated the city.  Zhang Xiao Jing (Lei Jia Yin) is a former imperial army officer turned constable who is currently in prison after breaking the law, though is set free because Li Mi believes he is the only person who can solve the mystery. Zhang Xiao Jing’s familiarity with the city’s alleyways and the habits of the Turks leads him to the conclusion that their ultimate goal is to create havoc during the Lantern Festival. Wth less than a day left before the event, the two must race against time to protect the capital and its people.
(Source: Cfensi)

The Longest Day in Chang’an – 长安十二时辰
Release Date: 2019-06-27
Main Cast: Lei Jia Yin, Jackson Yi
Genre: Costume & Period, Suspense
Network: Youku
Episodes: 48
Original Novel: The Longest Day in Chang’an by Ma Bo Yong
Trailers: Eng subbed trailer, BTS
Where to watch with subtitles: Viki
Add this drama to your MyDramaList

Year of Production: 2018
Production Company: Youku, Ent.Evolution, Liu Bai Entertainment, Saren Media
Director: Cao Dun
Screenwriter: Cao Dun
Filming Location: Xiangshan Movie & Television Town

Pictures and posters: