Set during events of the Nine Realms. Jun becomes pen pals with Yi all the way in China. Yi eventually invites Jun to visit her in Shanghai, and experience her life of saving magical creatures.

Hawk Moth returned from hiatus and expects, that with his new assistant Silver things will get their way. The superheroes' lifestyles have gotten more complex and the rolling out to save the city causes a huge mistrust between themselves and their loved ones. As if that wasn't enough, certain amoks begin to get control of their own life, causing damage to both good and evil...

Ladybug receives new team members after their ID reveal to Hawk Moth. The new Cat miraculous holder and her don't seem to get along at first on their first mission and at the Lycée new students join in, along with a girl, which seemed to have lost faith in life. After getting a chance to protect the city, she begins to see the life from another perspective. (Full summary inside)