As they just captured the akuma of Sabrina, who had become invisible, Ladybug and Cat Noir have to fight Chloé, who turned into Antibug after an argument with the real Ladybug. Ladybug will have to confront an opponent with the same powers as hers... will she pull through this time?
When Chloes' best friend Sabrina is akumatized into the vanisher and attacks Chloe wherever she is, Ladybug refuses to take her advice on where her akuma could be since Chloe lied to her about having a run-in with Sabrina. After Sabrina is freed from Hawk Moth's akuma, Chloe declared to no longer be Ladybugs biggest fan. With anger and sadness, Chloe is influenced by Hawk Moth and turns into Antibug.
When Chloes best friend Sabrina is akumatized into the Vanisher, Chloe tries to explain to Ladybig during her fight with the villain where the akuma is. Yet Ladybug refuses to take Chloes advice since she lied to her about having a run in with Sabrina. When Sabrina is set free, Chloe declares herself no longer Ladybugs biggest fan. Weeping in tears, Chloe is influenced by Hawk Moth and turns into Antibug.