The story takes place in the last years of Tianbao in the Tang Dynasty. On the surface, Chang'an City is prosperous with singing and dancing, but in fact, there is an undercurrent. Jiedushi's power has expanded, and there are many parties in the court. A storm is brewing that will subvert the prosperous age. In this world, food is not only a source of sustenance, but also a symbol of power, information and status. The pomp of a top-notch banquet, the choice of dishes, and even the heat of a dish may convey conspiracy, temptation or warning.