In 1849 eleven-year-old Luke leaves his family's farm home in Iowa, accepts his uncle's offer of a chance for an education, and travels with his relative to Boston.
After his stepfather becomes an abolitionist, ten-year-old Joseph struggles with his own thoughts about slavery as he sees its divisive power in his small Kentucky town.
Erin and her science project partner Tiffany become lost in the snow-covered Sierra mountains when Erin leads them on a trek to find her missing baby-sitter.