The video shows a person swimming in a pool. The swimmer is wearing a black swim cap and goggles. The pool has blue water and is divided into lanes by floating lane dividers. The swimmer is moving their arms and legs in a coordinated manner, suggesting that they are performing a swimming stroke. The swimmer's body is partially submerged in the water, and they appear to be moving forward through the water. The video is shot from the side of the pool, providing a clear view of the swimmer's technique.