Not every child would like this story, but those who see beyond the immediate implications of the story itself to its spiritual significance, its idealism, will love it. A boy in a Pullman car glimpses briefly the little lame boy of shanty town -and never forgets his urge to do something about lives like that. Years later, now a successful ""builder"", he comes west to meet another ""builder"" -- and finds his little shanty town boy grown up, and learns the story of how a mysterious friend brought faith and light and happiness, not only to the little lame boy, but to his neighbors in shanty town.