The video shows a person painting their fingernails with blue nail polish. The person is using a small brush to carefully apply the polish to their nails. The video focuses on the person's hand as they paint each nail, one at a time. The person's nails are long and well-manicured, and the blue polish is applied in a smooth, even coat. The person's movements are precise and deliberate, indicating that they are experienced in nail painting. The video is shot in close-up, allowing viewers to see the details of the nail polish application process.