Matt, a young cabin boy aboard an airship, and Kate, a wealthy young girl traveling with her chaperone, team up to search for the existence of mysterious winged creatures reportedly living hundreds of feet above the Earth's surface.

Leah Roberts has been secretly watching sasquatches in the woods behind her house for years, but when she notices an enigmatic teenage boy living among them, her complicated family life starts to unravel.

Two years after arriving in Watersmeet, Abisina, now seventeen, questions her decision to take a leadership role as the struggle to provide for refugees, some of whom hate others, threatens the folks' very survival.