The video shows a person's hands as they hold a knife and cut an onion on a wooden cutting board. The onion is being sliced into thin pieces, and the knife is moving back and forth as the person cuts through the onion. The cutting board is placed on a surface, and there are no other objects visible in the frame. The person's hands are steady, and the knife moves with precision. The onion is white, and the knife has a silver blade with a black handle. The background is blurred, focusing the viewer's attention on the cutting action.