The video shows a woman swimming underwater in a pool. She is wearing a mermaid tail and is swimming gracefully. The water is clear and the sunlight is shining through, creating a beautiful effect. The woman is moving her arms and legs in a synchronized manner, showcasing her swimming skills. The mermaid tail is a vibrant green color, and the woman's movements are fluid and effortless. The video captures the serene and magical atmosphere of the underwater world.