A married couple, Anne and Paul, travel from Spain back to Paul's home town, where they meet his older sister and her husband. Their father is dying and the brothers decide to be together in such a hard moment. Anne is not comfortable on this place, for it is surrounded by water and she has aqua phobia. But it is not only that which scares her. Something from a long time ago, appears on her nightmares. Something everyone seems to have forgotten.