The video shows a close-up of a toilet tank with a blue plunger inside it. The plunger is being pushed down and pulled up repeatedly. The tank is white and has some stains on it. The plunger is attached to a white handle that is being used to push and pull it. The water in the tank is clear, and there is no visible debris or blockage. The video is shot from above the toilet, and the camera is steady throughout.