The video shows two scuba divers exploring an underwater cave. The cave is filled with various rocks and boulders, and the water is clear, allowing for a good view of the divers and their surroundings. The divers are wearing full scuba gear, including tanks, masks, and fins. They are swimming slowly and carefully through the cave, taking in the sights and sounds of the underwater environment. The lighting in the cave is natural, with sunlight filtering through the water and illuminating the rocks and divers.