Melanie Marguirot

Sofía, devastated by the death of her grandmother and the imminent sale of the house they shared, finds a yellow dress identical to the one she wore in her childhood. When she puts it on, she transforms into a girl again, reliving magical moments from her childhood. Together with her best friend Ana, Sofía embarks on an emotional journey that will change her vision of life, time and her future.

3 kids, Incógnita, Mala Espina and Bucle; inadvertently wake up Cuestión, a mysterious artificial brain. They must prevent it from falling into the power of Dr. Dogma, who doesn't like his influence over Ciudad Corteza questioned.