Astrid Bjorklund wants to use her medical training to serve God and feels that He might be leading her in the direction of missionary work. Smarting from a misunderstanding with Joshua Landsverk, the young man she thought she loved, she heads east to a missionary training school, hoping to eventually use her skills in some remote outpost in Africa.

When she is called home unexpectedly to help in a family medical emergency, Astrid learns of a deadly measles outbreak on the nearby Indian reservation. She immediately senses the Spirit tugging her to help the Indians and wonders if her...