Kagami drags Marinette to Tokyo to help the Stellars defeat a new supervillain, but Marinette soon realizes her friend has another, untold reason for this trip to Japan.

Marinette and Adrien, two Parisian teenagers, are entrusted with powerful jewels in order to transform into superheroes Ladybug and Cat Noir. But neither hero knows the other’s true identity — or that they’re classmates!