The video shows a scuba diver underwater with a camera, swimming near a shark. The diver is wearing a black wetsuit and a red mask, and is holding a camera in his hand. The shark is swimming in the water, and the diver is filming it. The water is clear and blue, and the sandy ocean floor is visible. The shark is grey with white underbelly and appears to be a large size. The diver is moving slowly and carefully around the shark, maintaining a safe distance.