As Hawkmoth's attack on Paris reaches it's climax so does tensions between Parisians and their views on Heroes, in order to stop it all Ladybug and Cat Noir will need to prove their worth.
Gabriel attempts to keep Felix away from all harm at all costs, but when a powerful villain attacks Felix must find a way to break free. Marinette struggles with mixed feelings.
After the Jagged Stone incident, Ladybug and Cat Noir figured out what Akumas actually are. Meanwhile, another person gets akumatized and turns to Stormy Weather.
During trying to keep the relationship with Felix, another teenager called Luka shows up, which looks to know about her feelings. There is also Jagged Stone's concert, but looks like he's akumatized.
Ladybug and Cat Noir realize Hawk Moth's behind the akuma disaster and fight for the safety of Paris. Also, while Marinette is trying to have a relationship with Felix.
Marinette meets Tikki for the first time and becomes Ladybug. Then later she meets Cat Noir (which has a crush on Ladybug) and they both must fight with some weird butterflies called "Akumas" sent from Hawk Moth.