In a schoolyard, a fight breaks out between three boys. Although two of them did not start it, they are quickly blamed as the culprits. The reasons behind the conflict and the consequences they face reveal something much deeper than a simple dispute.
Diego and his friends spend the summer at the camp run by Pompilio Calderón, an eccentric explorer. There they find a medallion that belonged to Pola, Diego's grandmother. Following in her footsteps, they will experience incredible adventures in a parallel dimension as they try to save the planet from disaster.