Olivia Miller was raised by her aunt Aggie from the time she was a year old. Several weeks before Olivia graduates from college in Massachusetts, Aggie dies suddenly and unexpectedly, riding a bicycle at night near her home in Ogunquit, Maine. The death certificate lists the cause of death as a massive heart attack, but Olivia doesn't believe it. Soon after her graduation, Olivia is on the highway, late at night, heading home to Ogunquit when she...