In the video, a person is holding a box filled with water and fish. The person is standing over a pool of water and slowly lowers the box into the water. The fish in the box swim out and into the pool of water. The water in the pool is clear and the fish are visible as they swim around. The person's hand is visible as they hold the box and then release it into the water. The fish are of various sizes and colors, and they swim around the pool in different directions.