Years of being a vampire, Adrien is slowly leaning to being more human than just a vampire but he wishes to one day walk in sunlight like a human and he's on a quest to find an ancient artifact to help him walk in daylight.
After New York, Marinette is lost trying to figure out her feelings. Unexpectedly, Chat Noir is the one to help her find her way through the maze she calls her love life. On the other hand, Chat Noir begins losing his certainty in Ladybug when he visits his classmate, Marinette, in her time of struggle.