The video shows a close-up of a person's fingernails being painted with black nail polish. The person uses a brush to apply the polish carefully, ensuring that each nail is evenly coated. The nails are long and appear to be well-maintained. The black polish is glossy and shiny, and the person applies it with precision, taking care to avoid any smudges or streaks. The background is white, which contrasts with the black polish, making the nails stand out.