The video shows a person swimming underwater. The person is wearing a black swimsuit and a snorkel mask. The water is clear and blue, and there are corals visible on the bottom of the sea. The person is moving their arms and legs to swim, and their body is partially submerged in the water. The person's hair is floating in the water, and bubbles are coming out of their nose. The video is shot from a close-up angle, focusing on the person's upper body and face.