Plot

Our heroes will meet an opponent in plain clothes, more fearsome than even some supervillains.

Marinette, Adrien and their friends want to actively fight plastic pollution in Paris. But at only their own scale, the task seems just too enormous. It occurs to Marinette that they should try to fix the problem at the root, by trying to convince the largest plastic manufacturer in person to change his habits. But the heroes will meet an opponent in plain clothes, and more fearsome than even some supervillains. And what if, on top of that, Monarch decided to akumatize the baron of plastic?

Marinette, Adrien, and their friends are trying to actively fight against plastic pollution in Paris. It is soon discovered the plastic manufacturer, Bertrand King is partnered with Gabriel Agreste and Andre Bourgeois to distribute plastic hand fans that cause pollution in the oceans. When Marinette or her friends cannot get their voice heard by the media. Marinette, her friends, Fei Wu, Jessica, and Aeon take matters into their own hands and they broadcast a video about how wasteful and hazardous plastic truly is. It causes a major controversy towards Bertrand and he is akumatized into King of Plastic, who now wants revenge on his business partners for betraying him. Ladybug and Cat Noir must convince the villain about how dangerous his consequences have to the environment.