The video shows a person in a wetsuit swimming underwater in the ocean. The person is wearing a camera on their head and is swimming alongside a large shark. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The shark is swimming calmly next to the person, and there are no other creatures visible in the video. The person appears to be in control and comfortable in the water, and the shark seems to be undisturbed by their presence. The video captures the peaceful coexistence of humans and marine life in their natural habitat.