In the video, a young girl is seen wearing a helmet-like device that allows her to breathe underwater. She is swimming in a tank filled with various types of fish and other sea creatures. The girl is smiling and waving at the camera while giving a peace sign with her hand. The tank is well-lit, and the water is clear, allowing for a good view of the marine life. The girl seems to be enjoying her time underwater and is comfortable with the device she is wearing.