Edu Marín, his father Francisco “Novato” and his brother Álex, embark on an uncertain adventure, in which the probabilities of success are low but the reward can be enormous. The determination of the Marin to conquer the largest roof in the world is absolute and nothing and nobody can stop them. The great arch of Getu is the main scenery for a story of joys, cries, unexpected obstacles, adverse weather, friendship and climbing.