The video shows a scuba diver swimming through a narrow passage between two rock formations. The diver is wearing a black wetsuit, a mask, and a breathing apparatus. As the diver moves forward, they make a series of hand gestures, including a peace sign and a rock on sign. The water is clear, and the rocks are covered in marine vegetation. The diver appears to be alone in the passage, and there are no other divers or marine animals visible in the video.