Miraculous holders from another world appear in Paris. They come from a parallel universe where everything is reversed: the holders of Ladybug and Black Cat Miraculouses, Shadybug and Claw Noir,…

To save the future from a terrible fate, Marinette becomes Chronobug and teams up with Bunnyx to defeat a mysterious opponent who travels through time.

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.