Star Chef "tells the story of modern youth Xie Yunqi who unexpectedly travels to the empire in the year 3015 and becomes an unpopular second prince. The main cause was a mistaken belief that a classmate had drugged the seriously ill empress, leading to members of the royal family distancing themselves from her. After crossing over, Xie Yunqi healed the queen with his superb cooking skills, gradually gaining the trust of his family and revealing the truth that the original owner was framed and killed by his uncle. In interstellar life, he rose to fame through a food competition, while his relationship with his brother Xie Beixiao (the Crown Prince) changed from hostility to ambiguity, ultimately leading to a secret romance between the two. The main storyline revolves around Xie Yunqi's use of culinary skills to conquer interstellar space, resolve family conflicts, and his emotional entanglement with Li Jiushu, blending food, power strategy, and BL elements.