The video shows a sea turtle swimming underwater. The turtle is moving slowly and gracefully through the water, with its flippers gently propelling it forward. The water is clear and blue, and the turtle is surrounded by rocks and coral. The turtle's shell is a mix of brown and green, and its skin is a lighter shade of green. The turtle appears to be alone in the water, with no other sea creatures visible. The video is shot from a close-up angle, allowing for a detailed view of the turtle's movements and features.