Ana and Laura find Violeta and Pedro's tracks. Together, they manage to save Diego from a cave in which he is stuck and alone. Pola and Pompilio sail on the shell of a giant turtle down a dangerous toxic river. Meanwhile, Martin confesses the truth to Evelyn, Laura's older sister, and Mauro, another camp counselor, and asks them to help him get to the Calderon's offices at the North Pole. That may be his only chance to save the children... and the whole world.