In the video, a person is seen holding a tennis ball in their hand while a dog is swimming in a pool. The dog is a golden retriever and is swimming towards the person. The person then tosses the tennis ball into the water, and the dog catches it in its mouth. The dog then swims back to the person and drops the ball in their hand. The dog seems to be enjoying the game and is eager to play again. The water in the pool is clear and blue, and the sun is shining brightly, indicating that it is a sunny day. The person and the dog seem to have a good bond and are enjoying each other's company.