In the video, a person is seen holding a plastic container filled with water. The container is then placed into a large fish tank that is filled with water and several fish. The person then pours the water from the container into the fish tank, causing the fish to swim around. The fish tank is blue in color and has a white border. The fish are of different sizes and colors, and they swim around the tank in different directions. The person's hand is visible as they hold the container, and they are wearing a blue shirt. The video is shot from above the fish tank, and the camera angle changes slightly as the person moves the container.