Marinette has a report on her family to do at school, but her parents know nothing of her ancestors. She then learns that a bit of her family grew up in Itomori, Japan, so she decides to head there. Meanwhile, Gabriel Agreste is angered about the search party for his wife breaking up, but Adrien doesn't know. Marinette finds out, and hopes to find her in Japan by luck. She runs away only to leave her parents a note with little to no information on where she's going. When she gets to Japan, she stays in Tokyo, where she meets two siblings Zuuko and Garri. As she sticks with them, she learned more about herself than ever. Will her family's past put her in danger, or lead her closer to who she really is?