The movie opens with a couple preparing for a wedding at their home. Mark and Elizabeth already have a son, Jacob. After eight years they make the relationship official, exchange wedding vows, and enjoy a day long reception with family and friends. Time flashes to the future with the couple divorced after the son was killed in an automobile accident. The father was driving and the mother thinks she failed to secure the boy's seat belt. Each blame the other parent and yet themselves for the tragic death.