The video shows a scuba diver underwater, swimming near a coral reef. The diver is wearing a black wetsuit and is holding a flashlight in his hand. The water is green and murky, and the coral reef is yellow and appears to be healthy. The diver is moving slowly and carefully, examining the reef and looking around. The flashlight illuminates the area in front of the diver, revealing the intricate details of the coral. The video does not contain any other people or marine life.