In the video, a person's finger is seen pointing at a white line on an X-ray image. The X-ray image is of a human body, and the white line appears to be a bone or a metal object. The person's finger moves along the line, tracing its shape and direction. The background of the image is mostly dark, with the white line standing out prominently. The person's finger is steady and precise in its movements, indicating a careful examination of the X-ray image.