The video shows a dolphin swimming in a body of water. The dolphin is dark gray in color and has a smooth, streamlined shape. It is swimming near the surface of the water, which is a light blue color. The dolphin is moving gracefully, with its dorsal fin and tail visible above the water. There are no other animals or people in the video. The dolphin appears to be alone in the water. The video is shot during the day, and the sunlight reflects off the water's surface.