Ama is two days from her graduate program at Montana State when she pulls off a Wyoming highway to rest her eyes. She wakes on bare earth beneath unfamiliar stars. Her car is gone. The highway is gone. The world she's fallen into looks like Wyoming—the Red Desert, the Great Divide Basin, sage and sandstone—but it runs on different rules. People here develop capabilities: the ability to move water, heat stone, push air in ways physics back home can't explain. Those without capabilities survive on skill, trade, and instincts about who to trust. Esah arrived the same way.

Esah survived Splinter—barely. Now he's back at Delaney Rim carrying three simple capabilities at once, a thing that should have killed him. Air. Spark. Navigation that turns out to be earth. Three foundations layered into one mind, all of them refusing to compound. By every rule of the world he splintered into, he should be at the bottom—bound to a fifty-mile range, useless for trade, fit only to be caged or culled. Instead he's free.

The territory-holders are broken. The talisman network that caged the basin is ash. For the first time since the splintering began, the Unbound of Delaney Rim are free to build something no one in either world has seen: a community held together by teaching instead of tether. Freedom, it turns out, has teeth.

A thousand miles of sky. Six people, one raven, and a promise thirteen years overdue. The airship Adrift rises from Delaney Rim carrying the Unbound west, across the bones of a world that never built its highways — over salt flats no one has crossed, through passes that kill the unwary, past settlements where nobody has heard of the basin, its wars, or its freedoms. The mission is simple to say and harder to survive: find the sixteen people the Authority's founders abandoned in Palo Alto, and carry word home. What they find instead is absence. The peninsula is pristine, prosperous, and empty.

One morning, the world simply let him go. Hoda was a man built for lecture halls—measured, careful, better with ideas than with people. Then between one breath and the next, the classroom was gone, and he was standing in a Wyoming that never built its cities: no roads, no lights, no one coming. Just wind over red sandstone, a winter already sharpening its teeth, and an invisible leash that would not let him walk away. He should have died that first year. Instead, he learned—fire coaxed from a cave wall, water from stone, patience from failure after failure.