A Country Doctor, The Great Wall and the Tower of Babel, and Paradise Summary

A country doctor needs to go to see a seriously ill patient, but his horse has just died. A servant girl who has been looking for a horse comes back, but has not found one. The doctor kicks the door of an uninhabited pig sty, and the door flies open, revealing horses and a carriage. A strange man helps the doctor get the horses ready, but says he is staying behind with the servant girl. The horses move at a superhuman speed to get to the patient's home. He greets his patient's parents and goes to see the boy. He feels badly for sacrificing the servant girl. At first, he thinks the boy is well, but sees the boy...