The video shows a person swimming underwater in a pool. The camera captures the swimmer's movements as they navigate through the water. The swimmer's body is partially visible, and their movements are fluid and graceful. The water is clear and blue, and the swimmer's movements create ripples and bubbles on the surface. The swimmer's arms and legs are in constant motion, propelling them forward. The camera angle changes throughout the video, providing different perspectives of the swimmer's movements. The lighting is natural, and the water's surface reflects the light, creating a shimmering effect.