Sadie can perceive what others cannot. A rare and hazardous gift, it is one she would rather not possess, as its price is great suffering. There is a word used to describe her kind: Martyr. Wandering the wastelands of a ruined Earth plagued by gangs and Cling - an affliction which shortens the human lifespan to a mere few decades - Sadie's hope to find a slice of utopia fades. When an act of desperation in a reckless moment sets her on the run from a vicious warlord, her flight leads to a mysterious boy who seems to hold the answers to Sadie's salvation.