The video shows a large whale swimming in the ocean. The whale is grey in color and has a long, slender body. It moves smoothly through the water, with its tail fin occasionally visible. The ocean is a deep blue color, and there are no other visible creatures or objects in the water. The whale appears to be alone, and there is no interaction with any other marine life. The video is shot from various angles, providing a comprehensive view of the whale's size and movements.