The video shows a person swimming underwater, with a chain visible in the foreground. The water is clear and sunlight is shining through, creating a beautiful and serene environment. The person is wearing a black wetsuit and is holding onto the chain. The camera angle changes throughout the video, providing different perspectives of the underwater scene. The chain appears to be attached to something off-camera, and the person is moving along it. The water is calm, with only a few bubbles visible, and the sunlight creates a dappled effect on the rocks and the person's body.