The video shows a swimming competition in a pool with multiple lanes. The swimmers are wearing caps and goggles, and they are swimming in a synchronized manner. The water is clear and blue, and the pool is marked with lane dividers. The swimmers are moving quickly and appear to be competing against each other. There is a scoreboard visible in the video that shows the names and scores of the swimmers. The video is shot from an underwater perspective, providing a unique view of the swimmers' movements and techniques.