Caring for her two younger siblings after their unreliable mother abandons them, fifteen-year-old Anna discovers the difficulties of trying to be a parent.
In Texas in 1886, Ellen finds her desire to be a cattle rancher discouraged by family members who do not think it a proper choice for a girl, but she proves her worth when drought threatens the ranch.
In 1847, when her mother's remarriage sends them on a difficult journey to California, Willow is swept overboard fording the South Platte River and must survive and search for her family.