In the video, a small dog is seen sniffing two balls held in a person's hand. The dog then takes one of the balls in its mouth and walks away. The person then picks up the other ball and throws it on the ground. The dog runs after the ball and brings it back to the person. The person then picks up the ball and throws it again, and the dog runs after it again. The video captures the playful interaction between the dog and the person.