High-spirited Rachael Rothburn is eager to leave her luxurious life in Buffalo, New York, to share the gospel with Native Americans in the Oregon Territory. But the missionary alliance requires their missionaries to be married and Rachael has no husband or suitors. When Dr. Jonathan Wheaton, another missionary hopeful, learns about the restriction, he is desperate to find a wife. He offers Rachael a marriage of convenience and she agrees. After a...