The video shows a person swimming underwater with a turtle. The turtle is seen swimming around the person and the person is following the turtle. The water is clear and the turtle is a large size. The person is wearing a snorkel mask and a swimsuit. The turtle is swimming near the bottom of the water and the person is following it closely. The turtle is moving slowly and the person is keeping up with it. The person is also holding a camera and is filming the turtle. The turtle is a greenish color and the person is wearing a blue swimsuit. The water is calm and there are no other creatures visible in the video.