Arturo, an experienced physics teacher, requests unpaid leave in order to both distance himself from reality analyse it from a distance in order to redirect his life after the extremes through which he has lived, to give his spirit respite and give his body a rest. The scientific laws with which he is very familiar are not enough to bring him peace. In the north, his journey's destination, he discovers the importance of one's roots; his own have unexpected connections to the shore of the Cantabrian Sea and the nearby mountains with their cloud-crowned peaks.