The video shows a group of scuba divers exploring an underwater cave. The cave is filled with stalactites and stalagmites, and the divers are swimming around and examining the cave's features. The water is clear, and the cave is well-lit, allowing the divers to see the details of the cave's structure. The divers are wearing scuba gear, including tanks, fins, and masks. They are moving slowly and carefully through the cave, taking in the sights and sounds of the underwater environment.