Chloe is being harassed by something invisible, and Adrien and Marinette are immediately on the case. After talking with the concierge of the Grand Paris hotel, where Chloe lives, they discover Chloe had a fight with Sabrina, and had claimed that Sabrina is no longer her friend and is completely invisible to her. Heartbroken over her words, Sabrina was influenced by Hawk Moth, turning into the Van