In 1981, sixteen-year-old Sally McLean is in a car full of teenagers when it plunges through the ice to the bottom of Mistik Lake. Sally is the only survivor. Many years later, Sally's teenaged daughter, Odella, is left wondering whether the accident is to blame for her mother's life as a sad alcoholic who eventually abandons her family and flees to Iceland with another man. When Sally suddenly dies in an accident, Odella, her father and her two younger sisters are almost overwhelmed with grief and confusion, until three people provide help and healing in unexpected ways.