The video shows a large shark swimming in the ocean. The shark is swimming near a metal cage, and a person is standing inside the cage. The shark is moving its fins and tail, and the person inside the cage is holding onto the bars. The water is clear, and the sunlight is shining through the surface. The shark's skin is grey and has many stripes. The person inside the cage is wearing a black wetsuit and a diving mask. The shark appears to be curious and is looking at the person inside the cage.