Margaret Stuart, the proud wife of a prosperous Iowa farmer, sets high standards for herself and others. Happy in her marriage, she tries to look the other way when her genial husband, Alec, takes to the bottle. When Elspeth, Margaret's sister, comes to live with them, the young woman is immediately captivated by the beauty and vitality of the farm, and by the affection she receives from those around her. But as summer turns into fall, and the friendship...