“What on earth is this dish?” “…It is chicken, Your Majesty.” Joseon's greatest tyrant awakens to the taste of chicken?! Yeon Jiyoung, a rising French chef, finds herself in the Joseon era after a mysterious accident and catches the eye of King Yeonsan. “From this day forward, you are the Royal Head Chef.” Captivated by the chicken Jiyoung creates, King Yeonsan appoints her as the Daeryeong-suksu (Royal Head Chef) in charge of his meals, threatening her with execution if she ever prepares an unappetizing dish. And so, to survive, Jiyoung presents the surasang (royal meal) to King Yeonsan every night, and before long, a subtle atmosphere begins to flow between the two… ‘He’s a madman, but he is handsome.’ ‘Yeon Jiyoung, I find myself constantly thinking of you.’ Yeon Jiyoung, who gradually begins to see King Yeonsan not just as a tyrant, but as a man, and Joseon's greatest tyrant, whose gaze now follows her more than the delicious food she prepares. The grand epic of King Yeonsan begins now.