In the video, a young girl and a boy are seen swimming underwater in a pool. The girl is wearing a colorful swimsuit, while the boy is wearing blue shorts. They are both smiling and seem to be enjoying themselves. As they swim, colorful musical notes appear on the screen, suggesting that they are dancing or moving to music. The water is clear and blue, and the pool appears to be well-maintained. The lighting is bright, and the overall atmosphere is cheerful and energetic.