When Marinette comes to think that Adrien is a fan of famous French comedian Harry Clown, she joins forces with the entertainer to try and seduce Adrien by making him laugh. But Marinette is not a humorist, and her plan fails again. When she goes to seek comfort from Harry, she does not know that he himself just experienced a professional setback. Akumatized into Psycomedian, he imposes any emotion he wishes on people. And he is determined to wipe the smiles off everyone’s faces… stating with Ladybug and Cat Noir!