Marisa and Dino are in one school and one class. Between them there are often quarrels over minor matters. Dino's friends are annoyed with Dino's always giving in, as well as Marisa's friends who like to give advice to Marisa, but Marisa doesn't care, Marisa is still mean to Dino.
Nala, Tama, and their two cousins, Reno and Inka, are going to visit the ranch of Aunt Canda, their favorite aunt, in Ambarawa for the first time without parental supervision. Momo, Nala and Tama’s adopted older sibling, accompanies them. Their adventure begins with a mysterious map given to Nala...