Angus, son of Dagda, king of Ireland, was saddened because one night he dreamed that a wonderful light enveloped him until he became a woman. His father began to trace the pa'ss until in a lake called La Boca del Dragon, he found what he was looking for, a swan that when he saw it, he became a wonderful woman, called Caer. From then on, his beloved was the rest of his life, sometimes with a mortal appearance and others like a free flying swan. How crazy you are trying to take you on your own shoulders! Leave everything you carry on your back, in the hands of whoever can carry it and never look back with nostalgia. Angus and Caer formed a symbiosis whose end was eternal love.