The video shows a person applying black nail polish to their fingernails. The person is holding a bottle of black nail polish in one hand and a brush in the other hand. They are carefully applying the polish to their nails, making sure to cover them evenly. The person's fingernails are long and appear to be well-manicured. The black nail polish is glossy and has a smooth finish. The person's movements are precise and deliberate, indicating that they are experienced in applying nail polish. The background is blurred, but it appears to be a room with dim lighting.