The video shows a scuba diver swimming underwater with a large manta ray. The diver is wearing a scuba suit and flippers, and is holding a camera to film the ray. The manta ray is swimming gracefully, with its wings spread wide. There are several small fish swimming around the diver and the ray. The water is clear and blue, and the lighting is natural, coming from above the water's surface. The video captures the beauty and majesty of the underwater world, as well as the interaction between humans and marine life.