In the distant future, climate change has reduced Earth to a hard-scrabble wasteland. Saints and sinners, lawmakers and sheriffs, gunslingers and horse thieves abound. Folk are as diverse and divided as they've ever been - except in their shared suspicions when a stranger comes to town.

One night a ship falls from the sky, bringing the planet's first visitor in three hundred years.

She's armed, she's scared . . . and she's looking for someone.