In a secluded corner of Utah, fresh-faced Avery Colden (Annie Burgstede) learns on her 15th birthday that she's been selected as the new bride of prophet Brother John (Tom Noonan). Determined to have a say in her destiny, the teenager summons the courage to run. With the aid of Col. Jude Marks (Robert Chimento) and sympathetic sheriff Red (Diane Verona), Avery then undertakes a mission to save not just herself but all those she left behind.