The video shows a large shark swimming underwater in a body of water. The shark is surrounded by a school of smaller fish that are swimming around it. The water is a deep blue color, and the shark is a dark gray color with a white underbelly. The smaller fish are a lighter gray color and are swimming in a group. The shark moves slowly and gracefully through the water, with its fins and tail moving in a smooth, fluid motion. The smaller fish swim around the shark, sometimes coming close to it and other times swimming away. The video captures the beauty and majesty of the underwater world, with the shark and the school of fish moving in harmony.