Marty and Clark Davis's daughter Missie and her husband had homesteaded land in the far West, many weeks' journey away by covered wagon. But the coming of the frontier railroad made possible their long-awaited reunion. Grandparents Marty and Clark are thrilled to meet their two little grandsons for the first time. Missie, anxious to hear news from home, plies her mother with questions about her brothers and sisters. But the joyful reunion is shattered by a tragic accident.