Story
In the third year of the Sui Dynasty, the emperor Yan Jian established Jiejianfu, a spy agency to support his conquests. On a snowy night, the tribute caravan from the Yutian kingdom was robbed and slaughtered. On order of the Emperor, Feng Xiao, the second-in-command at Jiejianfu, was sent to investigate. In Liugong Town, he ran into Cui Buqu, an agent from Zuoyueju, there on a mission of his own. The two prideful agents didn't get along at first, but as they fought each other in a battle of wits, they began to realize that their missions had a common enemy lurking in the shadows.
Synopsis via AniList (English).
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