The video shows a person's hand tapping on a glass door. On the other side of the door, a dog is seen walking back and forth. The dog seems to be reacting to the person's tapping. The person's hand is visible in the foreground, while the dog is in the background. The video is shot from the perspective of someone inside the room, looking out through the glass door. The dog appears to be a medium-sized breed with a light-colored coat. The person's hand is tapping on the glass door in a rhythmic pattern. The dog seems to be curious and is looking at the person's hand, possibly trying to understand what is happening. The video is shot during the day, and natural light is coming through the glass door.