The video shows a cartoon shark and a mermaid dancing on a colorful dance floor. The shark is large and grey with white teeth, while the mermaid has red hair and a green tail. They are both dancing in front of a birthday cake with lit candles. The shark is seen dancing alone in some frames, while in others, the mermaid is present. The background is a dark blue color, and the dance floor has a checkered pattern with purple, blue, and pink squares.