The video shows a swimmer swimming in a pool with multiple lanes. The swimmer is wearing a cap and goggles and is swimming freestyle. The pool is indoors and has blue water. The swimmer is moving quickly through the water, creating splashes as they go. The video is shot from different angles, including underwater and from the side of the pool. The swimmer's movements are smooth and efficient, indicating that they are experienced. The video ends with the swimmer reaching the end of the pool and stopping.