The video shows a dolphin swimming underwater in the ocean. The dolphin is seen swimming gracefully through the water, with its fins and tail moving smoothly. The water is a deep blue color, and the dolphin's skin is a lighter shade of blue. The dolphin appears to be alone, with no other marine life visible in the video. The dolphin's movements are slow and deliberate, and it seems to be enjoying its time in the water. The video captures the beauty and grace of the dolphin as it moves through the ocean.