Modern kitchen chef Lu Yuan time-travels to the Datang army camp in the ninth year of Wude, becoming a mess cook and binding with a gourmet system. At that time, the Tujue grand army is pressing down on the Weishui River, and army provisions are scarce. He uses discarded mutton offal to make mutton offal soup, improves the production of portable military ration crispy cakes, and masters the technique of rock salt purification. Lu Yuan rises step by step from the bottom cook, facing provisions officer corruption and elite family coercion, seeking a way to survive with culinary skills in the turbulent army camp, and also witnessing the turbulent political changes before and after the Weishui Alliance.