"It's the summer of 1975. Eighteen-year-old Grace Barnett knows she should be preparing to leave for college in September. But a strange Memorial Day boating accident on the creek near her Virginia home--she's the only witness to the apparent suicide--kicks off a series of events that will define her family's future as well as her emerging view of life.On the very day of the victim's funeral, Grace's older sister, Lillian, absent from the family for...