"When a lively village is beset by a mysterious fog, the town turns dull and silent, until one day a boy's simple melody strikes a chord, reminding everyone of what matters most, even in the darkest of times"--Provided by publisher.
Still adjusting to life with diabetes, Emily and her diabetic alert dog go on a backcountry ski trip with her dad--but when an avalanche separates her from her father Emily is faced with a struggle for survival, especially after her food and insulin runs out.
Twelve-year-old Haven channels her anxiety about the climate crisis into a fight against the factory suspected of polluting the river running through her town.
