The video shows a scuba diver swimming in the ocean with a shark. The diver is wearing a black wetsuit, orange flippers, and a yellow oxygen tank. The shark is swimming near the ocean floor, which is covered in coral and rocks. The water is clear and blue, and there are several small fish swimming around the diver and the shark. The shark is grey and appears to be a medium-sized species. The diver is moving slowly and carefully, trying not to startle the shark. The video captures the beauty and danger of underwater exploration.