The video shows a close-up of a person's fingernail as they apply black nail polish to it. The person uses a brush to carefully paint the polish onto the nail, creating a striped pattern. The nail polish is glossy and appears to be of high quality. The person's hand is steady as they apply the polish, indicating that they are experienced in nail art. The background is blurred, but it appears to be a table or desk with various objects on it.