In a labyrinth of twisting tunnels, Norbert, Penelope, and their diverse team face riddles posed by a colossal Griffon, Grifo, as they search for El Dorado. With wit, knowledge, and teamwork, they solve the Griffon's riddles and overcome numerous challenges. Their journey culminates in discovering the legendary city and realizing the true treasure of their adventure: the power of teamwork and courage.