At a banquet hosted by Honglu Temple to receive the Tibetan envoys, nine guests suddenly set themselves on fire in full view of the public, and golden silkworms filled with incantations crawled out of the ashes. This strange incident raised countless questions. The bloody tofu in the banquet, the mysterious thangka hidden under the dancer's skirt, and the missing sacrificial vessel diagram seemed to peel back the hidden secrets layer by layer.