The video shows a dog swimming in a body of water. The dog is wearing a blue harness and is attached to a leash. The water is calm and the dog is swimming at a steady pace. The dog appears to be enjoying the swim and is moving forward with ease. The leash is taut, indicating that the dog is being pulled along by someone. The dog's fur is wet and it is panting slightly, suggesting that it has been swimming for some time. The water is clear and the sky is visible in the background.