The video shows a large dolphin swimming in the ocean. There are three scuba divers nearby, all wearing diving gear and swimming in the same direction as the dolphin. The water is a deep blue color, and the dolphin is gray with a white underbelly. The scuba divers are positioned at different distances from the dolphin, with one diver closest to the dolphin and the other two further away. The dolphin appears to be calm and is swimming gracefully through the water.