The video shows a large group of fish swimming together in the ocean. They are moving in the same direction, creating a mesmerizing pattern. The water is clear, and the fish are silver in color. As the video progresses, a group of dolphins appears, swimming alongside the fish. The dolphins are gray and have smooth, streamlined bodies. They seem to be enjoying the company of the fish and are swimming in a playful manner. The video captures the beauty and harmony of marine life.