In the video, a woman is seen cleaning a fireplace mantel. She starts by wiping the surface with a cloth, then proceeds to spray a cleaning solution on the mantel. After spraying, she uses the cloth to wipe the surface again, ensuring that it is clean and free of any dirt or dust. The woman appears to be thorough in her cleaning, making sure that every inch of the mantel is cleaned. The fireplace itself is not visible in the video, but the mantel is white and appears to be made of wood. The woman is wearing casual clothing and seems to be focused on the task at hand.