The video shows a large shark swimming in the ocean. The shark is grey with a white underbelly and has sharp teeth. The water is clear and blue, and the sandy ocean floor is visible. The shark swims gracefully, moving its fins and tail. In the background, a person wearing a snorkel and flippers is seen swimming above the shark. The person is wearing a black wetsuit and a pink life jacket. The sunlight filters through the water, creating a beautiful and serene scene.