The video shows a person cutting an onion on a cutting board. The person is using a knife to slice the onion into thin pieces. The cutting board appears to be made of wood, and the knife has a black handle. The onion is white and appears to be fresh. The person's hands are visible as they hold the onion and knife, and they are wearing a ring on their left hand. The background is dark, and there are no other objects visible in the video.