The video shows a close-up of a person's fingernail being painted with a small brush. The nail is already painted with a light blue polish, and the person is using a small brush to apply a red polish to the nail. The background is a solid green color, and the person's hand is visible holding the brush. The brush is dipped into the red polish and then carefully applied to the nail. The person's movements are precise and controlled, ensuring that the red polish is applied evenly and without any smudges.