The video shows a shark swimming in the ocean. The shark is seen swimming in the water, and the camera follows its movement. The shark is a large, grey-colored fish with a pointed nose and sharp teeth. It moves gracefully through the water, its fins and tail moving in a smooth, coordinated manner. The water is a deep blue color, and the light from above the water creates a shimmering effect on the shark's body. There are no other fish or objects in the water, and the shark is the main focus of the video.