In a desperate last attempt to steal Ladybug and Chat Noir's miraculous, Hawkmoth begins randomly abducting the citizens of Paris. When he takes her parents, Marinette realizes she must step up as Ladybug like she's never had to before. During a fight, Ladybug and Chat Noir are forced to take shelter in the catacombs underneath the streets of Paris. But, their suits will only protect their identities for so long.