In the country of Carthya, a devious nobleman engages four orphans in a brutal competition to be selected to impersonate the king's long-missing son in an effort to avoid a civil war.

Twelve-year-old Abilene Tucker is the daughter of a drifter who, in the summer of 1936, sends her to stay with an old friend in Manifest, Kansas, where he grew up, and where she hopes to find out some things about his past. Over the summer she pieces together his story. Having heard stories about Manifest, Abilene is disappointed to find that it's just a dried-up, worn-out old town. But her disappointment quickly turns to excitement when she discovers...