In the video, a person is painting a fingernail with a red nail polish. The nail polish is being applied in a vertical manner, covering the entire nail. The person's hand is steady, and the brush strokes are even and precise. The red polish is glossy and vibrant, and the nail appears to be well-maintained and clean. The background is blurred, but it appears to be a neutral color, possibly a wall or a table. The video is shot in a well-lit room, and the focus is solely on the nail and the painting process.