Two lighthouse keepers (the father and the son) are to spend one entire month in the middle of the sea near the coasts of Brittany; the young man is ill.Two lighthouse keepers (the father and the son) are to spend one entire month in the middle of the sea near the coasts of Brittany; the young man is ill.Two lighthouse keepers (the father and the son) are to spend one entire month in the middle of the sea near the coasts of Brittany; the young man is ill.