There is only one solution to the problem of the seepage of the Earth's core: reaching the center of the Earth and sealing the fissure. Pola cannot go alone, Diego must go with her. They embark on their mission, but Violeta and Diego's friends do not want to be left out of the adventure and follow them. Martin's parents tell him about the Verne dimension and his grandmother's mission. Pola, Diego, and his friends head towards the unknown and meet Pompilio and a giant spider along the way.