A turbulent era with turbulent undercurrents. Situ Mo, a scientist studying abroad, partners with a detective to solve a series of bizarre murders. From the poisoning in the secret room of the Rong family mansion to the sacrifice conspiracy of the Qing Ming Society, antique glazed lamps, secret treasures of the previous dynasties, modern science and traditional witchcraft are intertwined to interpret the "original reasoning feast" of the Republic of China.