In the fogbound village of Alder Cove, children grow up with one unbreakable rule: never follow wandering lights into the mist. When ten-year-old Mira Hale hears one of those lights whisper her name, she begins to suspect the rule is not protection—but omission. As strange music rises from the abandoned well beyond the cottages, Mira must uncover what the adults have chosen to forget before the fog decides to remember on its own.