Marinette's great uncle, a world-renowned Chinese chef, Wang Cheng, visits Paris to participate in a cooking show called The Greatest Chef in the World. Adrien comes over to help translate. Before the competition begins, Marinette and Adrien runs into Chloé, who is on the judges' panel. Chloé sabotages Cheng's famous Celestial Soup, causing him to get poor results in front of the judges. Confused and disgraced, Cheng becomes akumatized by Hawk Moth and turns into "Kung Food", a villain who enslaves those who had eaten his ruined soup and plans to cook Chloé in the soup.