As turmoil reignites in Changsha, the Zhang family's 401st unit mysteriously disappeared. Zhang Qishan, an officer stationed in Changsha, investigates the truth behind the unit's disappearance, uncovering a shocking secret buried for a century. Together with Wu Laogou and Huo Xiangu, they follow the only clue, the ancient tomb "Ge Shi Lou," and navigate through numerous traps and dangers to uncover the conspiracy hidden behind it all.
(Source: Chinese = TVMAO|| Translation = MyDramaList)
~~ Adapted from the novel "Lao Jiu Men" (老九门) by Nan Pai San Shu (南派三叔).
