Create a vivid representation of the biblical scene from Luke 9:40, where the follower is pleading with the disciples who were unable to cast out a spirit. Please depict this scene in a style inspired by digital art, with a high level of detail and color. The scene should be set in a Middle Eastern landscape, emphasizing the historical and geographical context of the story. Also, make sure to capture the emotions of desperation and the sense of failure in the characters.