The video shows a scuba diver underwater, swimming near a coral reef. The diver is wearing a black wetsuit and has a tank on his back. He is holding a camera and filming the reef. The reef is covered in various types of coral, including brain coral and staghorn coral. The water is clear and blue, and there are no other divers or marine animals visible in the video. The diver appears to be alone and is exploring the reef, taking in the sights and sounds of the underwater world.