Breaking the rules of their Order, Ruth's husband packs up his pregnant wife and their four children and joins a wagon train heading west. Though Ruth is determined to keep separate from the English, as stricture demands, the harrowing journey soon compels her to accept help from two unlikely allies: Hortence, the preacher's wife, and the tomboyish, teasing Sadie.
But as these new friendships lead to betrayal, what started as a quest for a brighter future ends with Ruth making unthinkable sacrifices, risking faith and family, and transforming into a woman she never imagined she'd become....