The video shows a person swimming in a pool. The swimmer is wearing a blue swimsuit and a swimming cap. The pool has blue and white lane dividers and the water is clear. The swimmer is performing the breaststroke, moving their arms in a circular motion and kicking their legs. The swimmer's movements are smooth and consistent. The video captures the swimmer from different angles, including underwater shots. The lighting in the pool area is bright, and the walls are tiled.