Overnight, the secret intangible cultural heritage "Fire Pattern" was stolen, and the soul suppressor sealed in the museum also showed signs of substitute tattoos. Xu Ziran sneaked into the investigation as a craftsman, but found that every clue was tailor-made for him; Liao Ziqing calmly took over the investigation of the performance team, but was drawn into a deeper conspiracy by the same "fake and authentic traces". The two work to break up and protect each other, gambling on life and death in a craft that overlaps true and false, trading their hearts for lives, and will eventually uncover the taboo behind the "grain fire" that can manipulate people's hearts.
