The video shows a dolphin swimming in the ocean. The dolphin is seen swimming in the water, and then it jumps out of the water and back in again. The water is clear and blue, and the dolphin is gray with a white underbelly. The dolphin appears to be alone in the water, and there are no other animals or objects visible in the video. The dolphin's movements are smooth and graceful, and it seems to be enjoying itself as it swims and jumps.