The doctor tells the girl that he has cured her of her leg pain. The girl thanks him, and the doctor tells her that he is the last descendant from the ghost clan. He says that he learned little of the history of ghost clan from his mother, and that the medical methods of the clan have almost disappeared until his generation. The doctor says that his leg was broken while looking for the underground palace, but he doesn't know where it is. He asks the girl to look at the map and see if there is a way to figure out where the palace is.