In the early years of the Republic of China, a series of mysterious events took place in the Nanyang region. The story follows Zhang Hai Yan and Zhang Hai Xia, two secret agents from the Southern Archives, who investigate an enigmatic case involving a conspiracy of warlords using the poisonous plant "Dusk Grass". As they face life-threatening dangers, the clues begin to align, leading them to discover that all of them converge on a massive ship, the Nan'an.
(Source: Chinese = Douban || Translation = MyDramaList)
~~ Adapted from the web novel "Daomu Biji: The Southern Archives" (盜墓筆記：南部檔案（食人奇荒）) in the novel series "The Grave Robbers' Chronicles" (盗墓笔记) by Kennedy Xu (南派三叔).