Others who time-travel only want to make achievements and establish a career; Chen Xuanfan time-traveled to the Datang and only wanted to eat well and get full. After waking up, he used a mysterious heirloom kitchenware to empty the rice vat, mistakenly became a county yamen bailiff, and because he could eat too much and work too hard, he was shoved into the Demon Hunting Army as a cook. With a spatula in hand, demons retreat. He uses delicious food to feed the soldiers and culinary arts to refine his body and practice cultivation, uncovering plots between humans and demons in one demon hunting mission after another. When everyone thinks the cook only knows how to cook, Chen Xuanfan decides to use the kitchen knife in his hand to protect his brothers and also protect this mortal world full of worldly warmth.