Adrien discovers a book in his father's safe that details the history of the Miraculouses and steals it to learn more. Later, a new student named Lila arrives who claims to be good friends with Ladybug, a fact Marinette knows is a flat-out lie. In order to win Adrien's affection, she lies again and tells him that she is descended from the Miraculous holder Volpina, whose superpower is the power of illusions. Upon hearing this, Marinette is overcome with jealousy and transforms into Ladybug to call Lila on her lies in front of Adrien. Embarrassed, Lila is influenced by Hawk Moth, who transforms her into Volpina with the hope that she can gain Ladybug and Cat Noir's trust and betray them.