The video shows a person swimming underwater in a pool. The swimmer is wearing a black swimsuit and is moving slowly through the water. The sun is shining brightly above the water, creating a beautiful light effect. The water is clear, and the swimmer's movements are smooth and graceful. The swimmer's arms are extended forward, and their legs are kicking gently to propel them through the water. The video captures the serene and peaceful atmosphere of the pool, with the swimmer moving effortlessly through the water.