Josiah Brown is a half-breed Blackfoot mountain man, trapping the Rocky Mountain streams. After saving Emma Perkins from raiding Blackfoot Indians, Josiah decides to marry her. Emma Perkins suddenly finds herself the wife of a wild and leathery mountain man. His rough and tumble temperament go against her upbringing, and Emma struggles to keep her faith and survive in a land where the animals, and the people, are mountain wild. Hardened by the wilderness Josiah wrestles against change and the gentle ways of a woman who threatens to tame his heart.