Guillermo Arias

A crime has occurred in room 4B! A classmate has had a priceless and precious toy stolen: the Scarlet Tamagotchi. So Iñaki and his turtle friend Cecilio transform themselves into 1940s private detectives to solve the mystery. However, they will have to face dark forces that will not make their task easy.

Deep within the Albariscope, an underground labyrinth ruled by darkness and machines, two unlikely companions must learn to trust one another as they face danger and search for a path toward the light.