Some in the village claim she's an enchantress, one of they mythical seal people who's become trapped in human form. For Owen Quinn (Scott Glenn, The Right Stuff, Courage Under Fire) and the other fishermen in their wind-swept Irish coastal village, times are hard. Not only is there a fishing drought, but the solitary Quinn grows more remote to his friends and neighbors by the day. Widowed for five years and still mourning his late wife, Quinn sees only a grim future - until a beautiful and mysterious woman he calls Mairead (Saffron Burrows, Circle of Friends, Deep Blue Sea) arrives and something magical changes his life. While most remain suspicious of the stranger and distant, Mrs. Gourdon (Fiona Shaw, Harry Potter and the Sorcerer's Stone), a widow whose unrequited love for Quinn initially makes her jealous, befriends Mairead and finds her life miraculously changed. Quinn experiences change, too - finally opening up to find love and happiness in life again. However, the oceans have their own secrets. Quinn is left facing a difficult decision - one that will risk everything he holds dear, and one that will determine whether or not there is magic in believing...