The video shows a person swimming underwater in the ocean. The person is wearing a wetsuit and holding a spear gun. The water is clear and blue, and the person is swimming towards a fish. The fish is swimming away from the person, and the person is trying to catch it with the spear gun. The person is wearing goggles and a snorkel mask. The fish is green and white and is swimming quickly. The person is trying to aim the spear gun at the fish, but the fish is too fast and manages to escape. The person continues to swim after the fish, but it is too far away to catch.