The video shows a woman in a mermaid costume swimming in a body of water. The costume is blue and green with a mermaid tail. The woman is swimming gracefully, moving her arms and legs in a way that mimics the movements of a mermaid. The water is clear, and the sunlight is reflecting off the surface, creating a shimmering effect. The woman appears to be enjoying herself, and the video captures the beauty and magic of the moment.