The video shows a person swimming in a pool. The swimmer is wearing a blue swimsuit and a swim cap. The pool has multiple lanes, separated by lane dividers. The water is a clear blue color, and the swimmer is moving through the water with a freestyle stroke. The swimmer's arms are moving in a circular motion, and their legs are kicking in a fluttering motion. The swimmer is moving forward in the water, and the camera angle changes to show different perspectives of the swimmer's movements.