Shi Haoran wears a "craftsman" mask to repair lost artifacts, but is actually a "bookkeeper" for gambling in the black market; Liu Ziqing explains the intangible cultural heritage gently on the surface, but secretly traces the ash code he leaves behind for every crime he commits. The two were forced to stand on the same stage to make bets and take the blame for others. The bets ranged from antiques and crafts to human life and death. The more they revised, the dirtier they became, and the smiles became colder and colder - until the black box that sealed the way to survive spoke.
