In the video, a person is seen swimming underwater. The person is holding a camera and filming the underwater scenery. The water is clear and the person is swimming near the bottom of the ocean. The person's hand is visible in the frame, and they are moving it around to capture different angles of the underwater environment. The person seems to be exploring the ocean floor, which is covered in rocks and coral. There are no other people or marine animals visible in the video. The person continues to swim and film the underwater scenery throughout the video.