In the twenty-fourth year of Jianxing's reign in the Southern Qi Dynasty, a young girl walked out of a lonely town unknown to the world, and she left unwillingly. But in the chaotic world, there remains a young man who refuses the expected destiny of a stable life. Even if he is homeless, he still has to find a way out. One wants to hide but can't, and the other should hide but doesn't want to hide. Who is the returning guest in the shadow of the sword?