Marinette is flipping out: Adrien seems to have taken an interest in a new student, Lila. The young girl tells Adrien that she knows a lot about superheroes and that she even knows Ladybug! Marinette turns into Ladybug to foil her but makes her a deadly enemy by humiliating her. Spotted by Hawk Moth, Lila gets akumatized and turns into Volpina, the mistress of Illusions. Volpina pretends to be a superheroine wanting to form an alliance with Cat Noir and Ladybug, but she has only one goal: divide and destroy!