Astrid Johansen swore she would never return to Heron Bay, Washington. In that idyllic coastal town, her little sister, Nina, drowned in a reflecting pool under Astrid’s watch seventeen years ago. Though guilt has kept her away, Astrid can’t ignore her aunt Maude’s urgent plea to come back. Maude claims to have found a letter that will change everything about the past. When Astrid arrives in Heron Bay, she finds Maude unconscious, perhaps the...