In the video, a person is painting a flower design on their fingernail. The nail is already painted white, and the person is using a small paintbrush to apply pink paint to create the petals of the flower. The person's hand is steady as they carefully paint each petal, creating a beautiful and intricate design. The pink petals stand out against the white background of the nail, and the person's skillful brushstrokes add depth and dimension to the flower. The video is a close-up shot, allowing viewers to see the details of the painting process.