The video shows a group of dolphins swimming in the ocean. The dolphins are seen swimming in a line, with some of them swimming close to the camera and others swimming further away. The water is clear and blue, and the sunlight is shining through the surface, creating a beautiful and serene underwater scene. The dolphins are grey in color, with smooth and sleek bodies, and they move gracefully through the water. The video captures the beauty and majesty of these marine creatures in their natural habitat.