The video shows a large shark swimming in the ocean. The shark is grey in color and has a long tail and sharp teeth. It is swimming near the ocean floor, which is covered in sand and small rocks. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The shark moves gracefully through the water, its fins and tail moving in a smooth, coordinated manner. There are no other fish or creatures visible in the video, and the shark is the main focus.