The video shows a first-person view of a person swimming underwater in a video game. The person is moving through the water, surrounded by various sea plants and coral. The water is clear, and the person is moving slowly, allowing for a detailed view of the underwater environment. The person's hands are visible in the bottom of the frame, and they are holding a flashlight that illuminates the surroundings. The video game graphics are realistic, with a high level of detail in the underwater environment.