The video shows a person swimming underwater, holding onto a large rock. The rock is dark in color and appears to be heavy, as the person is struggling to hold onto it. The water is clear, and light is shining through from above, creating a beautiful and serene underwater scene. The person is wearing a swimsuit and appears to be in good physical shape. The rock is the main focus of the video, and the person's struggle to hold onto it adds a sense of adventure and challenge to the scene.