The video shows a swimmer in a pool, moving through the water with a freestyle stroke. The swimmer is wearing a swim cap and goggles, and is moving through the water with a steady pace. The pool is divided into lanes by lane dividers, which are colored blue and white. The water is a clear blue, and the swimmer's movements create ripples and splashes on the surface. There are no other swimmers visible in the video, and the swimmer appears to be practicing alone.