The video shows a close-up of a person's hands as they slice a red onion on a wooden cutting board. The person is using a large knife to make precise cuts, and the onion is being sliced into thin pieces. The cutting board is placed on a surface, and there are some other sliced onions visible on the board. The person's hands are steady, and they appear to be experienced in using the knife. The lighting in the video is dim, and the focus is on the action of slicing the onion.