The video is a cartoon animation featuring a mermaid with red hair and a green tail. She is swimming underwater, surrounded by several purple fish. The mermaid is smiling and appears to be enjoying her time in the water. The fish are swimming around her, and she seems to be interacting with them. The background is dark blue, indicating that the scene is taking place underwater. The mermaid's movements are fluid and graceful, and she appears to be the main focus of the video.