In the video, a scuba diver is seen swimming in the ocean alongside a large shark. The shark is swimming gracefully through the water, with its fins and tail moving smoothly. The diver is wearing a scuba suit and is holding onto a rope attached to the shark. The water is clear, and the ocean floor is visible in the background. The shark appears to be calm and not aggressive towards the diver. The video captures the beauty and majesty of the underwater world and the interaction between humans and marine life.