The video shows a dolphin swimming in the ocean. The dolphin is seen swimming around and interacting with a shark. The dolphin appears to be playful and curious, while the shark seems to be more cautious and defensive. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The dolphin is grey with a white belly, and the shark is dark grey with a white underbelly. The dolphin's movements are smooth and graceful, while the shark's movements are more abrupt and powerful. The video captures the dynamic interaction between these two marine animals in their natural habitat.