A disoriented young man is roused from sleep by a stranger, and they soon realize they are stranded in 16th-century Japan, during the Warring States Period. The other man tends to his injuries, but both are quickly discovered, suspected of being spies, and pursued by several militia soldiers. As his friend is struck by an arrow before his eyes, the dying man tells Ken that he should survive and return to the Heisei Era from which they came. Ken manages to escape and is found by Natsu, a kind metalsmith who agrees to take him in. The young man realizes that although he has no memory of his origins or identity, he retains the cooking skills and knowledge from his previous life. Furthermore, he recalls fragments regarding the turbulent Warring States Period and certain historical events that have yet to occur. While staying at Natsu's residence, the chef quickly becomes the talk of the town and soon attracts the attention of a prominent historical figure: Oda Nobunaga. As the stories describe, Nobunaga is a brazen, ruthless, and intimidating individual. Tolerating no dissent, he demands that Ken join him as his chef. The warlord is quickly impressed by his food and wastes no time employing Ken's gastronomic talents to achieve his political and military goals. The young chef finds himself gradually earning the warlord's trust by preparing delicious meals that dazzle both Nobunaga's allies and opponents, making full use of his historical knowledge and culinary prowess.