In the video, a person is seen swimming underwater and filming a turtle. The turtle is swimming near the bottom of the water, and the person is filming it from a close distance. The water is clear, and the turtle is visible in the video. The person's hand is also visible in the video, and they are filming the turtle with their phone. The turtle is swimming slowly, and the person is following it closely. The video gives a clear view of the turtle's shell and its movements.